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Cycles Upon Cycles
by The Incredible Muffin reviews
The residents of the Koprulu Sector thought they had finally achieved peace. They were wrong. Now, the Koprulu Alliance is faced with a galaxy that was bigger than they thought. They will meet new friends, and more importantly, new enemies, but all will be forced to put away their hatreds, both old and new, or none will survive the darkness that is to come...
Crossover - StarCraft & Mass Effect - Rated: T - English - Sci-Fi/Supernatural - Chapters: 10 - Words: 88,880 - Reviews: 353 - Favs: 542 - Follows: 638 - Updated: 5h - Published: 1/13
by Doctor Life MD reviews
The Great War has ended and Humanity survived. Peace has set over the Orion Arm of the Galaxy. Battlegroup Foxtrot and its commanding officers - Captain John Sandman and Commander Chris C-333 - have been tasked with enforcing peace, but later on, their lives change when they are ordered to explore a completely different universe. M for violence and sexual content.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 24 - Words: 116,063 - Reviews: 50 - Favs: 110 - Follows: 101 - Updated: 4/25 - Published: 8/16/2013 - Arbiter, T. Hood, OC, Admiral Hackett
Return of the Avengers
by Dr Matthattan reviews
A new shadow falls upon Middle-earth. The Free Peoples and the Avengers join forces once more to stand against a darkness that threatens to engulf all who oppose it. Sequel to 'Avengers of the Ring'.
Crossover - Lord of the Rings & Avengers - Rated: T - English - Adventure/Humor - Chapters: 29 - Words: 171,261 - Reviews: 302 - Favs: 217 - Follows: 268 - Updated: 4/25 - Published: 3/22/2014
UNSC: Pheonix Rising
by Deathwatch Razgriz reviews
What if the UNSC was far more powerful? What if due to an accident the UNSC gained power in the 1960s? Due to these two simple facts the Salvation of 3 dimensions has begun.
Crossover - Warhammer & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 33 - Words: 50,649 - Reviews: 299 - Favs: 137 - Follows: 137 - Updated: 4/20 - Published: 8/13/2011
Into the Void
by Kenneth Whit3 reviews
When the Long Night of Solace was destroyed by the most advanced piece of equipment ever jury-rigged by man, it took one of the last Spartan-II's with it. On the other side of that void, Jorge-052 found an unfamiliar universe and a terrifying new enemy, but Commander Shepard found a powerful ally and a new hope for humanity.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 15 - Words: 49,920 - Reviews: 122 - Favs: 259 - Follows: 370 - Updated: 4/19 - Published: 2/19/2014 - Jorge-052/Noble Five, Illusive Man, Harbinger, Shepard (M)
by soran51 reviews
I will always place the mission first, I will never accept defeat, I will never quit, I will never leave a fallen comrade. Jason Shaw knew it was the end when he saw that grenade come through the window. Given a second chance as an immortal warrior he'll have to keep Commander Shepard alive, because failure is absolutely not an option. Now if only she'd learn to keep her head down.
Crossover - Mass Effect & Destiny - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 37,838 - Reviews: 54 - Favs: 122 - Follows: 177 - Updated: 4/12 - Published: 1/18 - Shepard (F), Ghost, OC
by TheHawk5476 reviews
After being stranded in the Halo Universe Steven 294 begins a new life in the Spartan III Programme. Now featuring the origins of Noble team!
Halo - Rated: K+ - English - Adventure - Chapters: 44 - Words: 83,985 - Reviews: 130 - Favs: 57 - Follows: 65 - Updated: 4/12 - Published: 5/27/2012 - Carter-A259/Noble One, Catherine-B320/Kat/Noble Two
Alternate Past, Uncertain Future Mk II
by Follower38 reviews
Co-written with aDarkOne History, a single event, can alter so much, let alone two. The San'Shyum are no more. The Krogan Empire stands strong. Humanity is now a giant among the stars. With three Galactic Superpowers in play, will an encounter see a new Golden Age, or an Era of War? (Chapters 1-12 being rewritten)
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 32 - Words: 279,514 - Reviews: 669 - Favs: 517 - Follows: 649 - Updated: 4/6 - Published: 8/28/2012
Mass Effect: The New Journey
by Arashi the Solar Phoenix reviews
During a Joint Deployment, the UNSC Infinity and Her Sangheili allies are suddenly thrown into a new Galaxy, and end up near Charon before the Systems Alliance discovers the Charon Relay. Alliances are forged and how will the galaxy react to an aggressive humanity that not only doesn't use Mass Effect technology, but will not let anyone stand in their way of expansion? AU PreME1
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 13 - Words: 124,916 - Reviews: 936 - Favs: 1,349 - Follows: 1,677 - Updated: 4/4 - Published: 1/26/2014
by Beastrider9 reviews
All life on Earth had been consumed by Blacklight. With no Biomass to feed on, Blacklight had to evolve, adapt, and grow. Now a collective Council of Aliens discovers the existence of such a life form. How do the aliens see a form of life that is viral, how they deal with it, what are the consequences to the galaxy of such a race existing at all.
Crossover - Mass Effect & Prototype - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 91,799 - Reviews: 985 - Favs: 1,498 - Follows: 1,761 - Updated: 3/26 - Published: 8/8/2014
Along Came A Spider
by free man writer reviews
"Ok How did I end up here?" Spiderman arrives in a new universe. like that's never happened before. But this time this universe is in dire need of a hero from a genocidal threat. "Well, like Uncle Ben Always told me. With Great Power, comes Great responsibility". Simple Summary don't need to say much. PeterXMiranda. There will be some AU with Spider-Man so just bare with me
Crossover - Spider-Man & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 6 - Words: 48,618 - Reviews: 127 - Favs: 207 - Follows: 272 - Updated: 3/23 - Published: 10/14/2014 - [Peter P./Spider-Man, Miranda L.] Shepard (M)
by deathwing17 reviews
After preventing a Chaos warband from summoning a vast army onto an Imperial world, an Inquisitor in training is hurtled through the warp and finds himself in a strange new world, one in which there are people with incredible abilities. Soon he will find himself fighting a familiar enemy and in order to save mankind he will need to cast aside old prejudices.
Crossover - Warhammer & Young Justice - Rated: T - English - Sci-Fi/Horror - Chapters: 7 - Words: 56,664 - Reviews: 98 - Favs: 119 - Follows: 128 - Updated: 3/14 - Published: 4/17/2014 - Inquisition, Megan M./Miss Martian, Richard G./Robin
by OrangeSquad reviews
A small fleet of UNSC ships and a large fleet of Covenant ships end up in a galaxy faf far away due to a slipspace anomally, both factions form an unlikly alliance after ending up in the middle of the Clone Wars.
Crossover - Halo & Star Wars - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 12,311 - Reviews: 15 - Favs: 32 - Follows: 38 - Updated: 3/13 - Published: 12/28/2009
Once Bitten, Twice Shy
by Varigos D. Vastitas reviews
Unwittingly uplifted beyond expectation by their foes, humanity not only destroyed their aggressors, but surpassed them and made their way to the stars. As Humanity expands from the Earth will they find their place in the galaxy, or will ghosts from the past come back to haunt them? (Co-writer NathanHale2.)
Crossover - X-Com & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 19 - Words: 122,522 - Reviews: 575 - Favs: 768 - Follows: 983 - Updated: 3/9 - Published: 3/15/2014 - D. Anderson, Illusive Man, Councilor Tevos, Councilor Sparatus
From the Ashes
by erttheking reviews
Even after seeing their world burned, Humanity was able to stand up again, and push beyond their pre-war status and reach the heavens. But how will a hardened Humanity handle life among the stars? And how will others react to this aggressive newcomer?
Crossover - Fallout & Mass Effect - Rated: T - English - Sci-Fi/Romance - Chapters: 97 - Words: 640,698 - Reviews: 2755 - Favs: 1,407 - Follows: 1,289 - Updated: 3/6 - Published: 5/17/2012
The Fighting Spirit
by smart grid reviews
Spartans never die, they say. When Jorge gave his life to save his home planet of Reach, he never imagined that he would survive. But now he finds himself neck deep in the troubles of another universe; he will do what he has been trained to do, what all Spartans do best: fight.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 32 - Words: 150,178 - Reviews: 559 - Favs: 665 - Follows: 890 - Updated: 3/3 - Published: 12/1/2011 - Jorge-052/Noble Five, Shepard (F)
The Infinity Effect
by creamofwheat2311 reviews
After discovering a Precursor artifact, the UNSC Infinity and the Sangheili Shadow of Intent are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined: the Reapers. Alliances are founded, friendships are formed, and decisions are made that will change this galaxy forever. Post Halo 4, Pre ME3. AU
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 173,103 - Reviews: 1556 - Favs: 1,737 - Follows: 2,170 - Updated: 2/28 - Published: 10/9/2013 - Master Chief/John-117, T. Lasky, Admiral Hackett, Shepard (M)
War, Peace, and other Galactic Customs
by The Almighty Afroduck reviews
After a long, terrible war, the Federation of Sovereign Empires forms as the product of the alliance created early in the Great War between the Covenant Separatists and the UNSC. Time passes as they progress greatly, eventually discovering the existence of other galactic governments. The events that will follow will change the course of the galaxy in more ways than one. PART- 2
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 104,503 - Reviews: 195 - Favs: 392 - Follows: 455 - Updated: 2/27 - Published: 3/1/2014
Reflection in Steel
by Commissar Rasher reviews
The UNSC Wotan is the finest ship ever built by human hands. But now its crew faces the greatest challenge of their lives. Trapped in a strange land, they must survive and try to find a way home in a dark galaxy where there is only war.
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 68,237 - Reviews: 89 - Favs: 140 - Follows: 199 - Updated: 2/26 - Published: 12/26/2013
by Andrithir reviews
There are stories about them, myths and legends of once majestic species overseeing the galaxy and exploring into the space that lay beyond. There were stories about them, tales of faded past. Humanity's missing link. (Rewrite Chapters 1 to 3 now posted) COMPLETED. Rewrites are on hiatus.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 67 - Words: 328,897 - Reviews: 1585 - Favs: 1,060 - Follows: 1,074 - Updated: 2/20 - Published: 10/8/2011 - Master Chief/John-117, Shepard (F) - Complete
Noble Spartans, Noble Heroes
by free man writer reviews
A new team arrives in the Marvel universe. as they arrive new and more large scale plans begin to unfold from both universes, pushing this team to new breaking points. will they hold on or is this their final mission as Spartans. Dark World Arc right now, next up, Winter Soldier. Oh and skip ahead to Chapter 8 to really get to the exciting parts of this crossover
Crossover - Marvel & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 18 - Words: 253,059 - Reviews: 310 - Favs: 263 - Follows: 286 - Updated: 2/19 - Published: 2/21/2013 - Master Chief/John-117, Cortana, Carter-A259/Noble One, SPARTAN-B312/Noble Six
Burc'ya vaal burk'yc, burc'ya veman
by Ordo Warrior reviews
Continuation of The Commandos of Mass Effect. War is upon the galaxy. Can Mandalorian intervention help stop galactic annihilation or are they doomed to join them?
Crossover - Star Wars & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 53 - Words: 176,540 - Reviews: 165 - Favs: 98 - Follows: 108 - Updated: 2/13 - Published: 11/19/2012 - OC
Chains of the Kindred
by Solvdrage reviews
A HaloWarhammer 40K crossover. Two besieged branches of Humanity, separated by time and space have been reunited. And there is only War!
Crossover - Warhammer & Halo - Rated: T - English - Chapters: 22 - Words: 144,625 - Reviews: 381 - Favs: 502 - Follows: 489 - Updated: 1/31 - Published: 7/24/2007
by The Incredible Muffin reviews
When the Outcast Blades and their allies attack a top-secret Imperial project, they are unprepared for the consequences. Now, they must survive in a new galaxy, with new friends and enemies alike. Can the Blades show another galaxy that they're the best, or will the Reapers harvest them as well? (On hiatus)
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 17 - Words: 154,555 - Reviews: 267 - Favs: 215 - Follows: 229 - Updated: 1/30 - Published: 7/6/2014 - OC
The Spartan Effect
by Gatekeeper333 reviews
Everyone's favorite Spartan is looking for a new purpose, lucky for him, the Commander his happy to oblige. *Slight rewrite to chapter 3 (chapter 2 if you don't count the prologue) to fix certain short-comings in the early works. That is, of course, when fanfiction updates the story.*
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 14 - Words: 104,886 - Reviews: 473 - Favs: 743 - Follows: 949 - Updated: 1/25 - Published: 3/27/2011 - Master Chief/John-117, Tali'Zorah, Miranda L., Shepard (M)
Death Korps of Justice
by Lord-of-Change reviews
A young Death Korp soldier, in a battle with a follower of Chaos, ends up swallowed by the Warp. By a stroke of luck, he's sent to Earth, to a world without an Emperor, to a world where villains and heroes battle it out across the globe. With no Emperor to serve and no war to fight, this young soldier must struggle to find his own path in a world that challenges all his beliefs.
Crossover - Warhammer & Young Justice - Rated: T - English - Sci-Fi/Adventure - Chapters: 24 - Words: 214,877 - Reviews: 795 - Favs: 495 - Follows: 521 - Updated: 1/23 - Published: 7/21/2013 - Imperial Guard, Deathstroke
In Infinitum: First Contact
by Drake S. Hellion reviews
In the year of 2581 the UNSC stumbles across a discovery hidden beneath their noses and now a new gateway to life outside of the Forerunner space is opened and with it comes all new challenges and rewards. Its time for First Contact. OC centric, some world building as needed and war. Lots and lots of war. Rated T for blood, language, violence and gore.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 27 - Words: 149,945 - Reviews: 901 - Favs: 906 - Follows: 1,209 - Updated: 1/23 - Published: 9/19/2013
The Onyx Stars
by The Hidden Sith reviews
A lost ship, a lost warrior, and a lost mind find themselves stranded in an unknown world. Full of vast wonders, threats, and opportunities, this new world is an unknown element for a crew accustomed to war and hardship. But, all Edens fall and beyond the embers of war lay the dawn of victory. Halo/Mass Effect AU John/Cortana, Lasky/Palmer
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 16 - Words: 143,775 - Reviews: 453 - Favs: 641 - Follows: 785 - Updated: 1/22 - Published: 12/9/2012 - Master Chief/John-117
by Ehanu Rehu reviews
The universe is a big place. Thousands of light-years still awaiting exploration, keeping secrets unknown to the rest of Council space. The Reapers were proof of that, as much as the Council is loathe to admit it. But there are yet secrets that even the Reapers, or their masters, the Leviathans know about. Even the apex races can be surprised.
Crossover - Halo & Mass Effect - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 8 - Words: 23,856 - Reviews: 144 - Favs: 250 - Follows: 414 - Updated: 1/20 - Published: 12/24/2013 - Master Chief/John-117, Arbiter, Garrus V., Shepard (M)
by Palladius reviews
The Ethereal assault on Earth was foiled by Colonel Jane Shepard. The Temple Ship taken intact, XCOM gained the capability to strike back against the Ethereals. However, Humans weren't the only species the Ethereals had set their sights on. For they were determined to make this cycle different.
Crossover - X-Com & Mass Effect - Rated: M - English - Sci-Fi/Family - Chapters: 38 - Words: 161,748 - Reviews: 968 - Favs: 828 - Follows: 945 - Updated: 1/17 - Published: 10/3/2013 - Shepard (F), U. Wrex, Tali'Zorah, Admiral Hackett
Rise of the Dragons
by Shadowmane2001 reviews
With a heart full of pain and hate toward elven kind from the second Thalmor War. The Dovahkiin prays to find a way to soften his heart and receives a vision of a land warped in chaos and violence. Prepared for this journey The Leonde uses the power of the Dragon Elder scroll to bring him to a strange land Called Alaegeisa. And arrives in time to help in the Battle for Farthen Dur.
Crossover - Inheritance Cycle & Elder Scroll series - Rated: M - English - Adventure/Fantasy - Chapters: 6 - Words: 35,637 - Reviews: 46 - Favs: 144 - Follows: 185 - Updated: 1/17 - Published: 7/8/2014 - [Eragon S., Saphira] [Dragonborn/Dovahkiin, Odahviing]
Out of Space and Time
by sheraiah reviews
The Tesseract and the Bifrost aren't the only ways by which to travel between the worlds, and there are more worlds than Thor has spoken of. When one of the pathways goes awry, the Avengers are called in to clean up the resulting mess.
Crossover - Lord of the Rings & Avengers - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 49,055 - Reviews: 172 - Favs: 303 - Follows: 431 - Updated: 1/10 - Published: 11/27/2012 - Legolas, Iron Man/Tony S.
HALO: The Andromeda War
by UH-60 NIGHTSTALKER reviews
Takes place 20 years after the first story. War drums are starting to sound once again and soon, the final battle to detremine the fate of Adromeda shall begin.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 47 - Words: 191,096 - Reviews: 1212 - Favs: 571 - Follows: 593 - Updated: 1/1 - Published: 2/27/2013 - Complete
A Clashing of Ways
by Avid Reader403 reviews
Ten years have passed since the Human-Covenant War ended and the birth of the Species Assembly has brought peace to the Galaxy. Or, at least their part of it. The discovery of a Mass Relay sparks yet another war that will have consequences for all sides involved. The Galaxy will never be the same. Disclaimer: I do not own the franchises.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 13 - Words: 42,422 - Reviews: 579 - Favs: 972 - Follows: 1,235 - Updated: 12/25/2014 - Published: 9/20/2012 - Shepard (M)
From Domination to Genodcide
by InnocentBlaze686 reviews
Palpatine is dead, killed when the Invisible Hand was destroyed by a crashing Republic ship. Both the Republic and the CIS are in disarray. But when Mand'alor the Preserver is found on an uninhabited world, the war turns. Data found by Mand'alor points to a new galaxy, a place they can rebuild. But when they find a war going on, one of Genocide, will they flee, or will they fight?
Crossover - Halo & Star Wars - Rated: T - English - Adventure/Sci-Fi - Chapters: 11 - Words: 23,244 - Reviews: 52 - Favs: 78 - Follows: 83 - Updated: 12/13/2014 - Published: 3/29/2013
Inheritance: The Mantel's Challenge
by Reaper VF6 reviews
It has been 40 years since the Great War ended the UNSC has faced and defeated numerous threats. They are the inheritors of the Mantel and the Forerunners have challenged them to claim. Set in Mass Effect 1, it shows the UNSC reconciling with the Systems Alliance, the Citadel Council, and the Reapers as the UNSC and its Allies, the Imperium try to claim and uphold the Mantel.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 45,059 - Reviews: 110 - Favs: 249 - Follows: 302 - Updated: 12/11/2014 - Published: 9/14/2013 - OC, Master Chief/John-117, Admiral Hackett, Shepard (M)
by TheTrollDude reviews
Multi Universe Crossover. The power-hungry universes of Skyrim, Halo, and Mass Effect come together in a massive power struggle for control spanning multiple galaxies, and beyond. Little do they know *something* has awaken from it's sleep. Something hungry for revenge. Doing a complet rewrite.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 3,254 - Reviews: 18 - Favs: 30 - Follows: 38 - Updated: 12/4/2014 - Published: 4/21/2014 - Master Chief/John-117, T. Hood, OC, Shepard (M)
When You're Strange
by Actually-Fen-Harel reviews
Shakarian, starts in ME1. Total rewrite of the original story. Taren Shepard is a tough cookie with a big secret. How long can she keep it from the turian who sees right through her? Barely follows canon story or characters. Seriously. NSFW, Mature rating for a reason. Violence, Lemons, Humor, Xeno. Deal with it. :D Kaidan lovers beware, I do not like his ass. You've been warned.
Mass Effect - Rated: M - English - Romance/Sci-Fi - Chapters: 25 - Words: 114,444 - Reviews: 218 - Favs: 196 - Follows: 286 - Updated: 11/18/2014 - Published: 10/23/2012 - Shepard (F), Garrus V., U. Wrex, Tali'Zorah
The Spirit of Redemption
by Myetel reviews
The Spectres fight against threats to both the galaxy and their families on Mindoir. Shepard/Garrus, multiple OCs, largely expanded universe. Includes Redemption, Hunt, Unity, and Victory.
Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 162 - Words: 3,404,794 - Reviews: 1996 - Favs: 624 - Follows: 357 - Updated: 10/14/2014 - Published: 2/11/2011 - Garrus V., Shepard (F) - Complete
What Makes Humans So Strange?
by Talos1988 reviews
Shepard is not truly human. She struggles with her nature and those around her. She wants to learn how to be human - but is this the right path for her? AU Mass Effect/StarCraft crossover - more details inside (I do suck at these things...) Rated M due to strong language, adult themes and strong violence.
Crossover - StarCraft & Mass Effect - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 7 - Words: 61,391 - Reviews: 94 - Favs: 277 - Follows: 382 - Updated: 10/11/2014 - Published: 6/30/2013 - Zerg, Shepard (F)
SPARTAN: Deus ex Machine
by Vixen Tail reviews
Rebooted. AU Crossover. 343-Guilty Spark succeeded in activating the HALO Ring World despite the interference of the SPARTAN Master Chief and the AI Cortana. In a attempt to 'save' her SPARTANs, Dr. Halsey sends a total of 25 SPARTANs out into deep space, seventeen of which now survive as something else entirely.
Crossover - Halo & Transformers - Rated: M - English - Sci-Fi - Chapters: 35 - Words: 383,565 - Reviews: 315 - Favs: 217 - Follows: 181 - Updated: 9/25/2014 - Published: 7/12/2011
Balance or Nothing
by Sin of the Fallen reviews
"There must be balance...or nothing." When Ixis kills Alduin there is no longer a balance between them, so they are kicked out of Tamriel... Into Alagaesia. And they are bound together by destiny. In Alagaesia. Where bonds equal Dragon and Rider... For Annonimous4862. And go look at her awesome stuff!
Crossover - Inheritance Cycle & Elder Scroll series - Rated: T - English - Adventure/Supernatural - Chapters: 4 - Words: 9,244 - Reviews: 83 - Favs: 185 - Follows: 270 - Updated: 9/12/2014 - Published: 7/22/2013 - Eragon S., Saphira, Alduin, Dragonborn/Dovahkiin
Lord of the Rings: The Spartan Prophecy
by So-Pro Warrior reviews
It has been four years since the Battle of the Ark. The Forward Unto Dawn crash lands onto a unknown world and onboard the Dawn. The SPARTAN John-117 better known as Master Chief awakens from his sleep. He soon finds himself on a strange new world with only his old AI partner Cortana by his side. However he will soon discover that it was not chance that brought him here. But fate.
Crossover - Lord of the Rings & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 131,910 - Reviews: 176 - Favs: 247 - Follows: 212 - Updated: 9/6/2014 - Published: 4/7/2013 - Aragorn, Master Chief/John-117 - Complete
The Devil's Own
by Cain O'Phelan reviews
When a company of ODSTs drop on New Mombasa to reinforce the ground operations against the Covenant, they are caught in an inter-atmospheric Slipspace jump. Where that jump leads will take those men from notoriety, to legend.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 36,963 - Reviews: 146 - Favs: 283 - Follows: 378 - Updated: 9/1/2014 - Published: 5/16/2013 - Shepard (F)
The Technological Assimilators
by Knight in Blackest Armor reviews
With the technologies of several alien races at its disposal, humanity had undergone a technological revolution. It advanced at such a rapid pace, far exceeding many expectations. Soon however, the humans learned that they shared their galaxy with yet another group of sentient alien life, but to mankind's horror and confusion, these aliens were not the sort they expected at all.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 94,510 - Reviews: 154 - Favs: 517 - Follows: 722 - Updated: 8/31/2014 - Published: 3/20/2014
Hard-drop between conflicts
by Wing-Broker reviews
A Spartan IV wakes up after he drops from a crashing pelican as it's about to hit the ground, A hard-drop some would say but the worst part is the clash between his previous conflict and a new conflict on both the same and different planet. Can he handle fighting along with giant robots? Rated M for language and just to be sure.
Crossover - Halo & Transformers - Rated: M - English - Adventure/Sci-Fi - Chapters: 21 - Words: 50,505 - Reviews: 73 - Favs: 90 - Follows: 107 - Updated: 8/28/2014 - Published: 1/13/2013 - OC, Bumblebee, Arcee
Mass Effect X Halo Spartan Dawn
by Freedom Guard reviews
Yet another creation of mine to help ease my mind, I hope that everyone does not mind seeing this one. I know there are a lot of crossover with Mass Effect and Halo, but no sense not trying a bit of it in my free time. Story on Ice, Updating all NON Halo stories is priority now.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 233,980 - Reviews: 841 - Favs: 1,090 - Follows: 1,000 - Updated: 8/27/2014 - Published: 10/8/2010 - Master Chief/John-117
Masses to Masses 4
by iNf3ctioNZ reviews
Entire colonies are disappearing. The only thing standing between humanity and the Collectors are an extremist organisation and a once dead Spectre. Ian Shaw may have survived Omega, but as a suicide mission looms and old faces emerge, he's about to find the future he thought he knew may no longer be so certain. And that the past is never far behind. Cover by GeneralHarryHousin.
Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 9 - Words: 76,768 - Reviews: 535 - Favs: 606 - Follows: 734 - Updated: 8/25/2014 - Published: 2/4/2013 - Shepard (F), Garrus V., Thane K., Kasumi G.
Inheritors of the Mantle
by Sempiternal Ether reviews
The Reaper War has come to a close, as has the Human-Covenant War. Both societies are increasingly unified and secure in their positions. What happens when they come into contact?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 76,692 - Reviews: 783 - Favs: 756 - Follows: 955 - Updated: 8/21/2014 - Published: 3/23/2014
by Tansey56 reviews
Humanity has endured. The Human Covenant war is over, now the long task of rebuilding looms ahead. Fragile relations and strong bonds will be tested when unbelievable things are discovered. Can humanity endure once again? Pre-ME through ME3 AU!
Crossover - Halo & Mass Effect - Rated: K - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,337 - Reviews: 31 - Favs: 94 - Follows: 154 - Updated: 8/18/2014 - Published: 6/28/2013
by Follower38 reviews
'Long ago, man and the Orokin built an empire, a mighty nation that would last forever...now six hundred years after that empire's fall, a Council exploration vessel inadvertently awakens one of the last survivors of that golden age...and in doing so, become embroiled in a conflict that will see that empire reborn...or set the galaxy aflame.
Crossover - Mass Effect & Warframe - Rated: T - English - Adventure - Chapters: 12 - Words: 93,252 - Reviews: 131 - Favs: 258 - Follows: 264 - Updated: 8/14/2014 - Published: 7/7/2013 - Complete
Upon the Wings of Eagles
by Solaris-Prime199 reviews
It is rare to find a Space Marine with a sense of Humor, but Sergeant Sigmund isn't just any Ultramarine. Set upon the Eve of Humanities greatest triumph over adversity. Within moments of completion of the Emperors greatest work. Sigmund and his men are cast from the Webway into a strange and new Galaxy. Plans within Plots abound. Set before the Horus Heresy. Rated M to be Safe.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 18 - Words: 205,983 - Reviews: 290 - Favs: 314 - Follows: 363 - Updated: 7/16/2014 - Published: 9/23/2013 - OC, Shepard (F)
When Civilizations Meet
by Generatedname reviews
The Ethereals, the Aquatoids, the Micronoids. Humanity has faced them all, and come out stronger. The Humans have left their world, exploring the stars, their technology built on Alien corpses. How will they react when they meet a peaceful society, one that is both advanced and primitive? Only time will tell, as XCOM and the Council meet in a galaxy soon to be shattered.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 51,172 - Reviews: 287 - Favs: 562 - Follows: 751 - Updated: 7/7/2014 - Published: 5/11/2014 - OC
by Xeno Major reviews
The Great Wars are over. Jim Raynor and his men have left the Koprulu Sector behind, choosing to settle a world away from that sector of space. Unfortunately, the colony of Shanxi is not safe; hostile aliens have invaded, intent on controlling the Terrans and their bizarre technology. Unfortunately for the Turians, the Terrans have experience fighting hostile alien invaders.
Crossover - StarCraft & Mass Effect - Rated: T - English - Chapters: 7 - Words: 90,510 - Reviews: 492 - Favs: 1,473 - Follows: 1,673 - Updated: 7/1/2014 - Published: 3/24/2013
Ending the Cycle
by TheGeneralX reviews
The Great Wars are over. The Koprulu Sector's factions have been at peace for more than a year. On the other side of the galaxy, the Reapers have finally returned to citadel space, determined to continue their cycle. Unfortunately for the Reapers, the hardened veterans of the K-Sector are equally determined to stop them. [contains OCs, slightly AU]
Crossover - StarCraft & Mass Effect - Rated: T - English - Chapters: 5 - Words: 39,344 - Reviews: 24 - Favs: 87 - Follows: 104 - Updated: 6/22/2014 - Published: 5/10/2014
A Universal Galaxy Ruptures
by Halo-Guy Fan reviews
Multiple crossovers JC's Avatar, Star Wars, Halo, Mass Effect, and more. Ch.10: Turians vs Mandalorians
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 99,090 - Reviews: 311 - Favs: 301 - Follows: 330 - Updated: 6/16/2014 - Published: 3/17/2013 - Master Chief/John-117, Shepard (M)
The Mission Stays the Same
by Broken Trident reviews
A joke of Chaos daemon sent two unlikely allies - an Eldar Farseer and an Imperial Storm trooper, through the Warp and into another Universe. In this place, everything is alien to them. Except for one thing - war. War is something they know very well.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 19 - Words: 259,050 - Reviews: 1375 - Favs: 1,947 - Follows: 2,033 - Updated: 6/7/2014 - Published: 10/4/2011 - Shepard (F)
Out of This World
by stevebond1990 reviews
First I was a Vault Dweller, then I was a Merc, then I was a Knight, then I was a Hero. After that I was a Wanderer, then I was a Courier, Then I was a Ranger, Then they made me a Lab Rat. Now I'm lost, on a Starship called Normandy, I'm drinking buddies with a Cripple, a Pirate, a Merc and a Vigilante. I'm taking orders from a Ghost and in love with an Ice Queen. Just Another Day.
Crossover - Fallout & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 8,100 - Reviews: 20 - Favs: 74 - Follows: 123 - Updated: 6/1/2014 - Published: 3/18/2014 - [Lone Wanderer, Miranda L.] Reilly, Shepard (F)
by Andrithir reviews
After bringing an end to the war against the Reapers, Commander Adam Shepard finds himself caught in the midst of another brutal war, a war that humanity had been losing for nearly three decades.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,839 - Reviews: 24 - Favs: 31 - Follows: 47 - Published: 5/10/2014 - Master Chief/John-117, Shepard (M)
The Only Way is Forward
by ZyZhang7 reviews
When a mysterious portal appears at the edge of the Oort Cloud in space, a UNSC fleet is dispatched, only to find themselves in a completely different universe where yet another ancient Galactic threat is upon them. Post Halo 4, ME1.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 5 - Words: 11,388 - Reviews: 62 - Favs: 220 - Follows: 306 - Updated: 5/3/2014 - Published: 1/26/2014
Halo: Mass Contact
by TheConstellation reviews
Thirty-five years have past since the end of the Human-Covenant War. Having reclaimed most all its previous glory, the UNSC exploration locates a massive artificial construct in the outer orbit of a star. While investigating the object alongside their Sangheili allies, new aliens come forth from the construct and bring humanity and the sangheili into a fate they never expected. R&R
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 20 - Words: 26,814 - Reviews: 616 - Favs: 743 - Follows: 1,027 - Updated: 4/30/2014 - Published: 12/22/2012
by Chaoswind2 reviews
First part of a three part project: The Great war was finally over, with the Covenant and the Flood defeated there were no enemies left to fight, mankind could finally take a breath and enjoy the peace they had earned after twenty seven years of a war that had claimed twenty three billion lives. Or so they hoped. But the galaxy has never been that kind.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 33,921 - Reviews: 59 - Favs: 144 - Follows: 183 - Updated: 4/25/2014 - Published: 6/20/2013 - Master Chief/John-117, Cortana
Fifty Shades of Overkill
by TheBleachDoctor reviews
When you become an extragalactic entity, meeting other galactic civilizations becomes an inevitable occurrence, and First Contact rarely goes well for the less-advanced society. Pre-ME through ME3. Rated T for language and implied sexual situations later on. Extremely Light parody on Halo OPness AKA Halo tech taken to its logical conclusion.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 34,074 - Reviews: 719 - Favs: 870 - Follows: 1,137 - Updated: 4/11/2014 - Published: 2/11/2013 - Shepard (F), Admiral Hackett, Tali'Zorah, EDI
Mass Effect: Clash of Civilizations
by Eterna1Soldier reviews
In 2157 a Citadel Council exploratory vessel is tasked with opening a dormant Relay into unknown regions of the galaxy. What they find is something they never expected. What happens when two civilizations centered around different technologies clash?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Mystery - Chapters: 20 - Words: 91,150 - Reviews: 2926 - Favs: 3,283 - Follows: 3,758 - Updated: 4/10/2014 - Published: 10/13/2011 - Tali'Zorah
Best of Both Worlds
by YappiChick reviews
"What's a Halo?" / "I have no idea, Number One, but I suspect we will find out soon enough."
Crossover - StarTrek: The Next Generation & Halo - Rated: K+ - English - Sci-Fi - Chapters: 16 - Words: 17,085 - Reviews: 46 - Favs: 87 - Follows: 96 - Updated: 4/8/2014 - Published: 7/26/2013 - Data, J. Picard, Cortana, Master Chief/John-117 - Complete
Halo: The Human Effect
by MJOLNIR117 reviews
Following the Human-Covenant War, Humanity finds a buried device that allows trans-galactic travel far faster than Slipspace. It was heralded as the greatest scientific find in Human history; the rest of the galaxy simply calls it the Mass Effect. Now mankind needs to forge a new place for itself among the stars.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 67,131 - Reviews: 423 - Favs: 569 - Follows: 679 - Updated: 3/27/2014 - Published: 7/12/2010
The Grub killer
by icegod030 reviews
in the aftermath of the battle with queen Myrrah Carmine finds himself with baird checking adam fenix's feild notes and tech only to find himself being somehow injected into a new reality that isnt his own...will he ever see his family or fellow gears again? what will shepard do with this blue giant of mass destruction pairings Clay/sam Cole/Kelly Baird/Tali Femshep/OC gear
Crossover - Gears of War & Mass Effect - Rated: M - English - Chapters: 15 - Words: 69,346 - Reviews: 74 - Favs: 133 - Follows: 125 - Updated: 2/21/2014 - Published: 9/18/2012 - C. Carmine, Shepard (F)
The Spartan Protocol
by Kamen Rider Gaim reviews
The war is all but over. The Master Chief and Cortana have finished the fight and plan to return to Earth with new Forerunner resources at their disposal. But a slipspace anomaly sends them into a new universe where they will encounter an enemy far older and potentially more dangerous than the Covenant ever were. Master Chief/Tali
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 58,180 - Reviews: 368 - Favs: 1,022 - Follows: 1,208 - Updated: 2/8/2014 - Published: 9/28/2012 - [Master Chief/John-117, Tali'Zorah]
The Empire of Man
by Holland93 reviews
Humanity's reaction to the discovery of the archives on mars was very different from what happened in the games. The militaristic Empire of man is preparing to expand. But how will they react when they discover that they are not alone in the galaxy. And more importantly. How will the galaxy respond to humanity? First contact story. Rated T for language and gore update this week.
Mass Effect - Rated: T - English - Drama - Chapters: 12 - Words: 101,145 - Reviews: 422 - Favs: 615 - Follows: 699 - Updated: 2/5/2014 - Published: 6/16/2013
Conquerors they Rise
by JoeTheHighlord reviews
The year is 2650, nearly a century since the end of the Great War and the fall of the Covenant Hegemony. In that time great advances have been made in both technology and society, and the new government of the New Species Alliance enters a golden age. But, there are dark stirrings out in the vastness of space and soon Conquerors must rise again from the ashes of war.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 12 - Words: 73,466 - Reviews: 382 - Favs: 570 - Follows: 740 - Updated: 1/26/2014 - Published: 7/16/2013 - T. Hood
Tactical Advantage Available
by SPEC OPS STG reviews
(REWRITTEN) The art of war always changes, never staying the same. Though in this case humanity is the only race able to keep up with evolution.
Crossover - Mass Effect & Crysis - Rated: M - English - Sci-Fi - Chapters: 10 - Words: 48,004 - Reviews: 195 - Favs: 270 - Follows: 330 - Updated: 1/25/2014 - Published: 7/8/2013
by Ranschaj reviews
Emile survives the two zealots at the end of Reach, and after surviving Covenant onslaught, finds himself in the ME universe. Kick-ass picture is thanks to freejimmy on deviantart
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 36 - Words: 156,661 - Reviews: 514 - Favs: 340 - Follows: 355 - Updated: 1/18/2014 - Published: 12/11/2012 - Emile-A239/Noble Four
Mass Effect: The First War
by ProfFartBurger reviews
The Prothean Ruins weren't. They contained little more than mentionings of an Alien Society; as a result, humanity develops on a completely different path than what was intended, and when first contact is made not with the Turians, but a desperate, destitute race viewed as beggars and thieves, how will this dying race change Humanity? And how will Humanity change the Galaxy? *A/U!*
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 22 - Words: 200,906 - Reviews: 1607 - Favs: 2,327 - Follows: 1,878 - Updated: 1/12/2014 - Published: 1/26/2013 - OC - Complete
Coming of the Ancients
by Shadowz081 reviews
Centuries after the end of the great war, the UNSC and Neo-covenant now live in peace, but what happens when they discover not just one but two splinter fraction of humans? The System Alliance and their Citadel and Prehistoric humanity and their old allies. But with their welcoming appearance, so will ancient threats loom around the corner ready to wage war...
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 74,425 - Reviews: 265 - Favs: 475 - Follows: 541 - Updated: 1/4/2014 - Published: 9/19/2012
The Necron Interference
by Mag'ladroth reviews
Humanity did not discover a Prothean cache of weapons or technology in the Sol system. No, they discovered something older, grander, a race seeking to finish the last request of a sleeping god. This is my first story, as such, I do not own anything. I am very appreciative of replies and support. Also, cover image. Whoever it belongs to, just ask and I will take it down. Thanks!
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 4,709 - Reviews: 453 - Favs: 763 - Follows: 923 - Updated: 12/24/2013 - Published: 5/5/2013
Halo: Stars of the Inheritors
by DragonKnightRyu reviews
Ten years after the end of the Human-Covenant war, an unease peace has existed between the Covenant Separatists, and the UNSC. A task force, known as Alpha-5 which consists of UNSC and Separatist ships was formed to ease these tensions. But when these ships find themselves in a new galaxy a long way from home, they will have to fight in order to survive.
Crossover - Star Wars & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 16,595 - Reviews: 36 - Favs: 105 - Follows: 99 - Published: 12/16/2013 - Obi-Wan K., Qui-Gon J., OC, OC
History Repeated, Lesson Learned
by KitBeast reviews
The Prothean empire left a great many Beacons behind after there fall, there purpose, to warn the younger races of the dangers of the Reapers. Unfortunately no one could understand them. What would happen if someone could.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 18 - Words: 51,084 - Reviews: 1029 - Favs: 1,332 - Follows: 1,566 - Updated: 12/10/2013 - Published: 2/20/2013
Starcraft: Forward Unto Dawn
by PeteSkizzle reviews
3 years after the events of Halo 3, a portal engulfs UNSC Forward Unto dawn, transporting it 172,000 light years away and 52 years back in time, in Mar Sara's airspace. Master Chief escapes. What difference shall he make in this world?
Crossover - StarCraft & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 8 - Words: 15,002 - Reviews: 77 - Favs: 43 - Follows: 60 - Updated: 12/6/2013 - Published: 4/19/2013
Avengers of the Ring
by Dr Matthattan reviews
Due to a freak accident involving the Bifrost, the Avengers Captain America, Thor and the Hulk are thrown into the world of Middle-earth. They join the Fellowship of the Ring in their epic struggle to defeat the Dark Lord Sauron.
Crossover - Lord of the Rings & Avengers - Rated: T - English - Adventure/Humor - Chapters: 46 - Words: 286,791 - Reviews: 964 - Favs: 903 - Follows: 616 - Updated: 12/3/2013 - Published: 12/7/2012 - Complete
Starcraft AU: Tiberium Galaxy
by avatar-of-kane reviews
More than 400 years has passed since the events of Tiberium Twilight. Now, stuck in the Koprulu Sector, Kane and the Brotherhood of Nod plans a new level of ascension. No terrans, protoss or zergs shall stop them. First part of trilogy.
Crossover - StarCraft & Command & Conquer - Rated: T - English - Adventure/Sci-Fi - Chapters: 29 - Words: 297,309 - Reviews: 234 - Favs: 136 - Follows: 126 - Updated: 11/30/2013 - Published: 6/23/2010 - James R., Kane
Mass Effect 2: Desperation
by Alan J. Worthington reviews
Humanity is threatened, and Commander Shepard is tasked with saving his species. He must find and recruit men and women skilled enough - and willing enough - to fight against suicidal odds. Though the galaxy is big, and such individuals are scarce, Shepard learns one thing: there will always be those willing to fight for the right cause, no matter which galaxy they may come from.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 47,763 - Reviews: 14 - Favs: 50 - Follows: 63 - Updated: 11/7/2013 - Published: 6/20/2013 - Shepard (M)
Reclamation and Ascendancy
by Sentinel 677 reviews
Imagine a Halo/Me Xover where humanity didn't: become BFF's with the elites, stomp the turians at Shanxi, become besties with the quarians, defend the krogan and true geth against the 'EVIL' council and then kick said council to the curb. Imagine it didn't become just a retread of the first game. Imagine it didn't start with a timeline. This is my attempt at that.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 25,993 - Reviews: 138 - Favs: 255 - Follows: 363 - Updated: 11/7/2013 - Published: 11/13/2012
Halo: New Horizons
by creamofwheat2311 reviews
The year is 2559, and the UNSC has discovered a large anomaly on the edge of the galactic rim. What it turns out to be has the potential to change history, but maybe not in the way the UNSC intended. Meanwhile, with the first Death Star destroyed, the Rebel Alliance is desperately trying to overthrow the Empire, but it will take the help of new allies to liberate the galaxy. AU.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 22 - Words: 155,059 - Reviews: 821 - Favs: 760 - Follows: 844 - Updated: 10/27/2013 - Published: 11/1/2012 - Luke S., G. Marek/Starkiller, T. Lasky
HaloMass Effect: Ruptured Universe
by JediSpectre177 reviews
Multiple crossovers AvP,RvB, JC's Avatar, Star wars, Halo, Mass Effect and more. CH13 To Illium we must go. Rada Vadam and a fellow Jedi Master go to Illium to discuss reparations for Asari killed in First Contact. Meanwhile the OSA Senate must deal with a galactic threat.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 141,257 - Reviews: 642 - Favs: 398 - Follows: 415 - Updated: 10/10/2013 - Published: 4/16/2012 - Master Chief/John-117
Halo: A New Age
by xpredatorx reviews
In the 26th century humanity along with the sangheili, san'shyuum formed the Orion Systems Alliance the center of galactic government in the orion arm of the galaxy, soon the OSA will meet the citadel council and discover a billion year old secret.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 34 - Words: 225,340 - Reviews: 692 - Favs: 605 - Follows: 595 - Updated: 10/7/2013 - Published: 3/24/2012
On the Brink: Alternate
by FunnyGinger08 reviews
So this is an alternate version of On the Brink. It's basically got stuff that would've worked out well, but I didn't do. On the Brink (Rewrite)'s going to be my focus, so I'm aiming to update this every Friday. Don't really know anything about if I'm going to do pairings or not, or what I'll have in here. Rated M for any future chapters.
Crossover - Halo & Mass Effect - Rated: M - English - Fantasy - Chapters: 18 - Words: 43,206 - Reviews: 48 - Favs: 104 - Follows: 137 - Updated: 10/3/2013 - Published: 6/21/2013 - Master Chief/John-117, T. Lasky, Shepard (F)
by Annonimous4862 reviews
For a brief amount of time, the hermit remembered, and he felt he had to do something... and perhaps he did. But then he forgot, and just returned to his questions.
Crossover - Inheritance Cycle & Elder Scroll series - Rated: M - English - Chapters: 19 - Words: 160,367 - Reviews: 694 - Favs: 774 - Follows: 816 - Updated: 9/5/2013 - Published: 9/16/2012 - Eragon S., Dragonborn/Dovahkiin
Halo: First Contact
by FuzyDr4G0NZ reviews
An Asari Deep space exploration craft discovers an unknown wreck in space, meanwhile the UNSC Gorgon is sent out on a scouting mission into the lost outer colonies.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 62,980 - Reviews: 472 - Favs: 564 - Follows: 790 - Updated: 8/26/2013 - Published: 12/19/2012
by Inquisitor Azreal reviews
The cold was unnatural it seeped into your bones, it penetrated your very being and urged you to close your eyes. Begged you to. Some resisted, thrashed in their pods until they were dragged unwillingly into the darkness. For me? Faster than falling asleep. (Spiritual Successor to Spirit of Fire: First Contact) OCxAshoka AU
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Romance - Chapters: 3 - Words: 6,574 - Reviews: 31 - Favs: 37 - Follows: 57 - Updated: 7/21/2013 - Published: 5/7/2013
Welcome to the Future
by SC84 reviews
An AU fiction that combines the Mass Effect and Crysis universes. A recently revived Commander Jane Shepard must assemble a new team to face the threat of the Collectors. Along the way, she finds another "dead" soldier: Alcatraz, in his Nanosuit, frozen and forgotten in an ancient Ceph ruin. Ignores Crysis 3. Slightly changes events prior to Mass Effect 1. NOT A SHIPPING FIC.
Crossover - Mass Effect & Crysis - Rated: M - English - Sci-Fi/Adventure - Chapters: 9 - Words: 12,267 - Reviews: 109 - Favs: 183 - Follows: 272 - Updated: 7/21/2013 - Published: 8/18/2012 - Shepard (F), Alcatraz
A Spartan's Tale
by nickmac3 reviews
A Spartan IV, seperated from his team, and his universe, must learn to adapt. First person POV, told from an OC's perspective. No parings.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 13 - Words: 31,896 - Reviews: 112 - Favs: 62 - Follows: 96 - Updated: 7/13/2013 - Published: 12/22/2012 - Shepard (F)
by swsf09 reviews
Empires rise and fall in the Milky Way Galaxy. Could one person have the power to bring them all down? Or will they find the strength to forge something greater out of the fires of war. Update.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 112,173 - Reviews: 213 - Favs: 223 - Follows: 233 - Updated: 7/4/2013 - Published: 11/18/2012 - Master Chief/John-117, Shepard (M)
Democracy meets Democracy
by Bow Down and Beg reviews
Humanity develops the Hyperdrive, leading to a whole new path of technological advancement.
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure - Chapters: 1 - Words: 2,345 - Reviews: 49 - Favs: 179 - Follows: 249 - Published: 6/9/2013
The Emperor Protects
by MrDarth151 reviews
When the Imperium is thrown into unfamiliar universe, changes are inevitable. Will they be for better or worse, it remains to be seen. But, one thing is certain. One day, there will be war. And it is the craft mankind knows best. Cover created by GENZOMAN from Deviantart.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 4,182 - Reviews: 56 - Favs: 76 - Follows: 131 - Updated: 5/12/2013 - Published: 12/2/2012 - Inquisition, Shepard (M)
Halo: The Empyrean Effect
by Vizantir reviews
What if humanity has a much grander destiny than anyone has ever even imagined? They need only to discover the secret, buried for eons uncounted. Rated T for battle scenes and thematic content. Features many OC's. Warning: This fic is EXTREMELY AU. - FULL REVISION IS BEING PLANNED
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 67,716 - Reviews: 219 - Favs: 260 - Follows: 331 - Updated: 5/11/2013 - Published: 9/3/2012
Kasrkin: Guardians of Humanity
by bokka501 reviews
The Kasrkin were the imperium's finest, men and women standing shoulder to shoulder against the never-ending tide of humanities enemies. Proud martial traditions stretching all the way back to a time prior to the great betrayal. During the heady days of the dark age of technology they stood firm as the Systems Alliance's premier soldiers, no less feared then as now.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 12,226 - Reviews: 63 - Favs: 97 - Follows: 133 - Updated: 5/9/2013 - Published: 3/19/2013
Always a Bigger Fish
by DaLintyMan reviews
No matter how powerful you are, how many planets you hold... There is always someone better.
Crossover - StarCraft & Mass Effect - Rated: T - English - Chapters: 4 - Words: 4,438 - Reviews: 27 - Favs: 86 - Follows: 121 - Updated: 4/24/2013 - Published: 4/16/2013
Not Always Lost
by TheSuperintendent reviews
Jorge-052 gave his life to save Reach. After all, Slipspace "bombs" are supposed to eliminate targets, not transport them to another galaxy far away. Now Noble Five and what remains of a marine fire team must make it back to the fight before it ends, but not before witnessing the shifting sands of the Galactic Republic.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 7,214 - Reviews: 40 - Favs: 41 - Follows: 67 - Updated: 4/23/2013 - Published: 2/10/2013 - Jorge-052/Noble Five
HALO: The Terran Republic Affair
by UH-60 NIGHTSTALKER reviews
When the Newly formed Terran Union and its allies make contact with the Galactic Republic, it sets off in motion events that would shake up a galaxy that is not so far away. Slight A/U.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 32 - Words: 79,884 - Reviews: 945 - Favs: 619 - Follows: 466 - Updated: 2/15/2013 - Published: 8/18/2012 - Complete
From The Warp
by Norse Raider reviews
Time kills all things, but man has always tried to fight his fate. But is the Imperium's final gambit their salvation, or the damnation of all that they cling to.
Crossover - Warhammer & Mass Effect - Rated: M - English - Chapters: 3 - Words: 3,614 - Reviews: 42 - Favs: 39 - Follows: 50 - Updated: 2/6/2013 - Published: 12/7/2012 - Imperial Guard, Shepard (M)
Awaking the Mantle
by HD-spartan reviews
Long before the Reapers there was a race of gods. They had advanced to the highest point of evolution and technology, and when as their forefathers had done they activated the Array. But they left one who had fought Gods and Demons, the one who, as his predecessor had done, burned the galaxy of all life. An ancient power stirs. He awakes. And his fury will burn the stars themselve.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,800 - Reviews: 81 - Favs: 213 - Follows: 254 - Published: 1/28/2013 - Master Chief/John-117, Harbinger
A New Frontier: Into the Storm
by ThrashMetallix reviews
After an unexplainable phenomena strands two UNSC ships 75,000 light years from home, and almost 50 years into the past,they find themselves right in the middle of a war between humans they never knew even existed, and two alien races they've never before encountered. Now they must not only try and adapt, but must also find a way back home... (A rewrite in progress!)
Crossover - StarCraft & Halo - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 19,788 - Reviews: 14 - Favs: 34 - Follows: 57 - Updated: 11/29/2012 - Published: 11/21/2012
Masses to Masses 3
by iNf3ctioNZ reviews
With Shepard gone and the crew disbanded, it should have just been two years waiting. Instead, Garrus and I face a new squad, a new station, new enemies, and a web of crime that's gonna take a hell of an untangling. Welcome to Omega. Welcome to Hell. Thanks to wielkiboss on DeviantArt for the cover.
Mass Effect - Rated: T - English - Adventure/Crime - Chapters: 66 - Words: 396,438 - Reviews: 2375 - Favs: 665 - Follows: 466 - Updated: 11/6/2012 - Published: 6/24/2011 - Garrus V., Aria T'Loak, Lantar Sidonis - Complete
by Toasterman reviews
It is the 41st millennium. The Imperium of Man is besieged on all sides by aliens, heretics and mutants. Mankind faces extinction. Its people pray for salvation. Heeding the call, the Emperor has sent...well, the best he could get on such short notice. Now ready for a ball-busting, chaos-purging second half!
Crossover - StarCraft & Warhammer - Rated: T - English - Adventure/Humor - Chapters: 58 - Words: 248,867 - Reviews: 774 - Favs: 338 - Follows: 326 - Updated: 7/22/2012 - Published: 11/22/2009
by OhSoDeadly reviews
The war has been over for nearly a year, but the Covenant are still a threat, humanity and the Sangheili find themselves beleaguered to keep the peace, and dangerous secrets infest everything they do. In order to stand a chance of turning the tide, a prototype squad comprised of the best soldiers both races have to offer is put into action.
Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 21 - Words: 163,349 - Reviews: 41 - Favs: 48 - Follows: 41 - Updated: 6/20/2012 - Published: 12/7/2009 - T. Hood, Rtas 'Vadumee
by Messypeaches reviews
Written before 'The Torchwood Effect'. Unforgivably silly, fem!shep, Garrus, babies and dealing with bullies. Listed as a Dr. Who crossover because it's probably his fault, but he don't show up till the sequel
Crossover - Doctor Who & Mass Effect - Rated: K+ - English - Humor - Chapters: 1 - Words: 3,814 - Reviews: 3 - Favs: 9 - Follows: 2 - Published: 3/25/2012 - 10th Doctor, Shepard (F)
No Rest for the Weary
by RNG-ERROR reviews
John-117 sent to the StarCraft Universe, Full Summary inside. Notice this is NOT abandoned. Until I can afford a new computer however it will not be updated.
Crossover - StarCraft & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 33,524 - Reviews: 60 - Favs: 100 - Follows: 137 - Updated: 2/20/2012 - Published: 2/4/2012 - Nova, Master Chief/John-117
Masses to Masses 2
by iNf3ctioNZ reviews
After two years with Garrus at C-Sec, it's finally time. Shepard's here, and we've got a rogue Spectre to stop, a Reaper to defeat, a missing girlfriend to save...in the only way we know how. With plenty of gunfire, one-liners and romance! Sequel fic. Thanks to wielkiboss on DeviantArt for the cover.
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 40 - Words: 241,183 - Reviews: 1210 - Favs: 588 - Follows: 244 - Updated: 3/17/2011 - Published: 10/5/2010 - Shepard (F), Garrus V., U. Wrex, Tali'Zorah - Complete
Masses to Masses
by iNf3ctioNZ reviews
After a freak event sends me into the ME universe 2 years before ME1, I find myself working at C-Sec. As if dealing with serial killers, drug smugglers, and Garrus Vakarian wasn't enough, I need to work out why I was sent here, and I need to survive. Thanks to wielkiboss on DeviantArt for the cover.
Mass Effect - Rated: T - English - Adventure/Crime - Chapters: 34 - Words: 102,397 - Reviews: 633 - Favs: 757 - Follows: 262 - Updated: 9/25/2010 - Published: 7/6/2010 - Shepard (F), Garrus V., Executor Pallin - Complete
Spirit of Fire: To save humanity
by Left hand turn signal reviews
A crossover, Spirit of Fire and John Sheppard from mass effect. The spirit has escaped the shield world, but now they have no idea where they are, or where to go, until they come into contact with other humans who have never heard of the covenant or UNSC
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 46,880 - Reviews: 171 - Favs: 326 - Follows: 356 - Updated: 8/17/2010 - Published: 8/13/2009
Rules of Engagement
by WarlordFil reviews
ODST Major Evan Doucette thought he was prepared for the challenge of being the first Human Ambassador to Sanghelios. He had no idea the position came complete with a Sangheili bride... Human male/Elite female. COMPLETE.
Halo - Rated: M - English - Romance/Drama - Chapters: 6 - Words: 24,937 - Reviews: 225 - Favs: 365 - Follows: 187 - Updated: 8/4/2010 - Published: 1/30/2010 - Complete
by WarlordFil reviews
When Sangheili warriors Usze 'Taham and N'tho 'Sraom meet, it's a case of hate at first sight! Things get more complicated when they are stuck fighting together, and there's no greater enemy than their own pasts... Usze x N'tho pairing.
Halo - Rated: M - English - Romance/Sci-Fi - Chapters: 20 - Words: 81,386 - Reviews: 67 - Favs: 39 - Follows: 9 - Updated: 7/12/2009 - Published: 4/7/2009 - Complete
The Enemy of My Enemy
by Katsuhiro reviews
"Of all the conflicts recorded in the latter stages of the Human-Covenant War, perhaps one of the most interesting was that which occured on the Outer Colony Crassus, c.Nov.2552. Interesting, and with an entirely unexpected outcome.." ONI Case-File 428/
Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 31 - Words: 115,360 - Reviews: 228 - Favs: 486 - Follows: 150 - Updated: 3/21/2009 - Published: 6/6/2008 - Complete
Brothers in Spirit
by Half-Jaw reviews
Two are born one Sangheili. The other Human. But the share a bond that reaches across space, time, and a war.
Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 11,359 - Reviews: 43 - Favs: 29 - Follows: 26 - Updated: 12/29/2008 - Published: 9/2/2007
by general MB reviews
Kyle Stevens, just your average 17 year old kid living the average life of any Halo fan. Well what happens when he somehow ends up in the halo universe? How will he react in a world where the game is real? How will he survive the massive Human-Covenant war? And can he change the course of Halo history for the better with the stuff he knows, or will his intervention wreak havok?
Halo - Rated: T - English - Adventure/Romance - Chapters: 39 - Words: 114,314 - Reviews: 310 - Favs: 310 - Follows: 112 - Updated: 10/20/2008 - Published: 8/28/2008 - [Kelly-087, OC] Master Chief/John-117, C. Halsey - Complete