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On the Illusion of Might by
evevee reviews
We thought ourselves powerful, able to conquer a galaxy with nothing but toys. When we overcame every challenge, breached the space between the galaxies themselves, what use were the words of a race ashamed of their own past? Yet we cannot deny that we were warned, for while a challenge to a human is laughable, a challenge to humanity is a death sentence.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 27 - Words: 297,181 - Reviews: 2073 - Favs: 3,788 - Follows: 4,784 - Updated: 2/21 - Published: 2/21/2017 - Master Chief/John-117, Cortana, Garrus V., Shepard
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. (Story adopted by Regina Dea. New author starts from Chapter 21)
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 33 - Words: 367,965 - Reviews: 2682 - Favs: 5,034 - Follows: 5,538 - Updated: 4/6/2022 - Published: 10/4/2011 - Eldar, Imperial Guard, Shepard
Dying to Live by
Vengeful Soldier reviews
In a culture where death is as important to living as life, both the mortal shell and immortal soul are threatened when something challenges the Imperial Cult's creed. The soldiers of the 12th heavy siege regiment, fresh from the Emperor's wars don't know a lot about living, but they know a lot about making something stay dead.
Warhammer - Rated: M - English - Horror/Supernatural - Chapters: 4 - Words: 40,415 - Reviews: 113 - Favs: 170 - Follows: 194 - Updated: 2/18/2020 - Published: 11/21/2014 - Daemons, Eldar, Imperial Guard, Inquisition
Nothing But a List of Names to Mark His Ascension by
darkeldar reviews
It is the end of the 41st Millennium, and the Aurelian subsector is overwhelmed by war. Attacked on all fronts by aliens and traitors, it is up to the outnumbered Blood Ravens to protect their recruiting worlds. Part of the Legacy of the Blood Ravens.
Warhammer - Rated: T - English - Sci-Fi/Adventure - Chapters: 74 - Words: 493,248 - Reviews: 289 - Favs: 305 - Follows: 282 - Updated: 7/11/2019 - Published: 8/16/2011
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. (5-23-19 Info: On Hiatus after Chapter 45. Will update with schedule after life is in order.)
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 45 - Words: 495,928 - Reviews: 1755 - Favs: 2,812 - Follows: 3,350 - Updated: 5/23/2019 - Published: 3/27/2011 - Master Chief/John-117, Tali'Zorah, Miranda L., Shepard
A Battle of Wills by
insinr8 reviews
Following the destruction of the Temple Ship, humanity rises to become stronger than ever, and is determined that they will never again allow any enemy to repeat what the Ethereals did. In Vigilo Confido.
Crossover - X-Com & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 59 - Words: 262,053 - Reviews: 826 - Favs: 1,295 - Follows: 1,540 - Updated: 12/5/2018 - Published: 7/4/2015
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: 33 - Words: 279,720 - Reviews: 770 - Favs: 751 - Follows: 858 - Updated: 10/6/2018 - Published: 8/28/2012
Halo: Hyper Lethal Vectors by
Rowboatt reviews
Planet Reach, the last military uphold for humanity, has fallen. From the ashes rises Noble Six of the Spartan III program who takes her fight to the Pillar of Autumn. She expects more bloodshed, expects the Covie bastards to play dirty. And she expects to get an edge against the enemy. As the saying goes, be careful for what wish you for, because she receives all three.
Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 55,628 - Reviews: 57 - Favs: 206 - Follows: 227 - Updated: 10/23/2017 - Published: 7/2/2012 - Master Chief/John-117, J. Keyes, Cortana, SPARTAN-B312/Noble Six
The Task at Hand by
ErrantTruant reviews
When an untested company of Imperial Guardsmen are sent to investigate a mysterious distress beacon on a distant mining world, the Grim Darkness of the 41st Millennium will test them to their limits and beyond.
Warhammer - Rated: M - English - Sci-Fi/Horror - Chapters: 4 - Words: 22,295 - Reviews: 3 - Favs: 3 - Follows: 6 - Updated: 10/10/2017 - Published: 9/13/2017
HaloHazard by
Hyperwryter88 reviews
John-117, Cortana, Thel Vadam, UNSC marines, Elites and Brutes crash land on 20th century Earth in Raccoon City and deal with the 1998 T-virus outbreak until they can return to the 26th century. Halo and Resident Evil xover. Language and violence. BACK IN PRODUCTION AND WORKING ON NEW CHAPTER NOW. BE PATIENT.
Crossover - Resident Evil & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 19 - Words: 220,335 - Reviews: 202 - Favs: 327 - Follows: 298 - Updated: 8/22/2017 - Published: 12/16/2010 - Leon S. K., Claire R., Master Chief/John-117, Arbiter
A Tale of Two Commissars (Warhammer 40k) by
TiredEagleofManwe reviews
One-shot story of two Imperial Commissars - one old and wounded yet still loyal to the God-Emperor; the other young and strong yet fallen into Chaos. This is their final confrontation.
Warhammer - Rated: T - English - Supernatural/Horror - Chapters: 1 - Words: 5,733 - Reviews: 5 - Favs: 19 - Follows: 6 - Published: 7/8/2017 - Imperial Guard - Complete
Mass Effect: The Hopeless War by
ProfFartBurger reviews
A/U- In the 21st century, the Batarian Hegemony discovers a beautifully violent species known as 'Humans'. After deciding to enslave the entire race, and turn them into their own personal slave warriors, the so-called Masters of War must go against the Makers of Slaves. But is it truly possible to combat an alien threat, when your own species can barely even leave its only home?
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 21 - Words: 150,917 - Reviews: 757 - Favs: 893 - Follows: 952 - Updated: 6/11/2017 - Published: 5/11/2013 - OC
Daredevils: Meridian by
Arcsquad12 reviews
The Third Aurelian Crusade erupts on the Hive World Meridian. Beset on all sides by Traitors, Heretics and Xenos, the last line of defense falls to the Imperial Guard. Sergeant Major Merrick, senior NCO of the 85th Vendoland 4th company, sees his troopers thrust into the heaviest fighting. They are the famed Vendoland Grenadiers. Welcome to the Daredevils.
Warhammer - Rated: T - English - Sci-Fi/Adventure - Chapters: 43 - Words: 160,634 - Reviews: 45 - Favs: 80 - Follows: 76 - Updated: 5/16/2017 - Published: 3/23/2012 - Chaos Space Marines, Imperial Guard, Orks, Adeptus Mechanicus - Complete
Warhammer 40k: Imperator Malevolent by
TheKnightOfMalta reviews
It is the 6th century of the 2nd Millennium. Mankind faces extinction at the hands a fervent Xeno conglomerate known as the Covenant. Through a rift in time and space, warriors from a far off future arrive, and while those around them shudder and quake in anticipation of things to come, they need not know the fear of war. For in the 41st Millennium, there is only war.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 492 - Reviews: 7 - Favs: 18 - Follows: 26 - Published: 12/5/2016 - Imperial Guard
Infinity by
casquis reviews
Space is infinite, but under the right conditions even a galaxy can feel too small.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 51,961 - Reviews: 260 - Favs: 399 - Follows: 547 - Updated: 8/19/2016 - Published: 10/12/2015
The Two Spectres: Resurrection by
cruisader1 reviews
Charles Alonso is revived and put back into action to help save the galaxy from a new threat but this time, he's forced to ally himself with the enemy known as Cerberus and reunite and work with an old flame. Sequel to Mass Effect and the Two Spectres: Reclaimer and continuation to the Two Spectres Saga. FemShepxLiara; AlonsoxAshleyxMiranda
Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 36 - Words: 190,567 - Reviews: 57 - Favs: 72 - Follows: 79 - Updated: 6/16/2016 - Published: 10/9/2012 - J. Garson, Ashley W., Liara T'Soni, Miranda L.
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: 21 - Words: 96,812 - Reviews: 3503 - Favs: 5,858 - Follows: 6,767 - Updated: 5/22/2016 - Published: 10/13/2011 - Tali'Zorah
From Hell's Heart by
gtamaster316 reviews
AU First Contact War. It was 48 years of endless slaughter and death. And from the pain and suffering of such unprecedented conflict, emerged an unprecedented plot, born of hate, to bring it all to an end...
Mass Effect - Rated: T - English - Sci-Fi/Tragedy - Chapters: 14 - Words: 75,788 - Reviews: 412 - Favs: 995 - Follows: 1,125 - Updated: 5/10/2016 - Published: 2/12/2012 - J. Garson, Garrus V.
Mass Effect Vs Aliens 2: Valkyrie Rising by
jerseydanielgibson reviews
Humanity's First Specter, 1LT Jane Shepard, has received a disturbing message from somewhere out in the Attican Traverse; a terra-fracking mining ship has found a strange device on a planet… and the ship has now gone silent from a strange biocontaminate. Can Agent Shepard and her team of humans and aliens discover the fate of the Ishimura without joining it? (F!ShepxVasir)
Crossover - Aliens/Predator & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 15 - Words: 105,572 - Reviews: 68 - Favs: 103 - Follows: 104 - Updated: 8/12/2015 - Published: 3/9/2015 - [T. Vasir, Shepard] J. Vasquez, Alien/Xenomorph
From Hell To Hell by
mcknight93 reviews
Set around the beginning of Mass Effect 2 timeline, the Normandy SR-2 finds the Forward Unto Dawn. How will the Mass Effect universe change when the Master Chief is involved? All chapters have been rewritten and reposted with much improvements. The awesome picture rightfully belongs to: KnytGrey on deviantart.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 92,691 - Reviews: 344 - Favs: 862 - Follows: 944 - Updated: 8/12/2015 - Published: 7/9/2011 - Master Chief/John-117, Shepard
Love and Tolerance in the Grim Darkness by
Transwarrior666 reviews
The Imperium is an oppressive, evil, Nazi organization. The Galactic Republic is a proto-fascist, Forcist, capitalistic, globalist, heteronormative civilization. Between these great powers, one man will emerge to fix everything that is wrong in both galaxies, and destroy all forms of insitutional privilege and oppression. Crossover Between Star Wars, Warhammer 40000 and others.
Crossover - Star Wars & Warhammer - Rated: K - English - Chapters: 4 - Words: 10,940 - Reviews: 89 - Favs: 13 - Follows: 4 - Updated: 7/27/2015 - Published: 8/8/2013
Destruction and Deliverance by
Reaper VF6 reviews
A lost ship containing a broken guard unit and a company of spaces marines. A son considered lost are cast through the warp and end up in the Mass Effect Universe. How will the forces of the Imperium react to their new reality. The Geth, Collectors, and the Reapers will know beings who know no fear. The galaxy will have to deal with a power greater than any other encountered before
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 24 - Words: 71,130 - Reviews: 169 - Favs: 284 - Follows: 339 - Updated: 7/26/2015 - Published: 12/12/2013 - Imperial Guard, Space Marines, OC, Shepard
Disjointed Humanity by
Kira31 reviews
A very different humanity is encountered by the Turian Hierarchy, after the failure of the Systems Alliance. How will the galaxy deal with a space faring race that is only a collection of nation states, one that instead of unified, is disjointed.
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 6,982 - Reviews: 12 - Favs: 41 - Follows: 48 - Updated: 5/31/2015 - Published: 11/12/2014 - J. Garson, Shepard
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: 646 - Favs: 1,211 - Follows: 1,450 - Updated: 3/9/2015 - Published: 3/15/2014 - D. Anderson, Illusive Man, Councilor Tevos, Councilor Sparatus
Lost Legacy 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: 1661 - Favs: 1,582 - Follows: 1,463 - Updated: 2/20/2015 - Published: 10/8/2011 - Master Chief/John-117, Shepard - Complete
The Life by
casquis reviews
The Great War was a long one, millions made it, more didn't. Frank is an ODST, a human just like us, that has managed to survive the most grueling battles for years. With so much experience under his belt he has some amazing stories to tell. This are the life stories of an immature, not-all-in-there, and talented Marine just living, fighting, and being plain badass during the war.
Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 230 - Words: 1,622,859 - Reviews: 2464 - Favs: 1,047 - Follows: 761 - Updated: 12/12/2014 - Published: 6/20/2011 - Complete
Living to die by
Vengeful Soldier reviews
On Krieg you are born with sins already weighing you down and the only way to redeem yourself is death in the Emperors service. A young Krieg nobleman joins the Korps, not to atone, but for revenge.
Warhammer - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 218,558 - Reviews: 169 - Favs: 337 - Follows: 272 - Updated: 10/11/2014 - Published: 8/26/2012 - Eldar, Imperial Guard - Complete
Promise by
The Silent Composer reviews
After John-117 and Cortana are rescued from the Dawn a radical new procedure is used to safe Cortana's life making her human. Afterwards John and Cortana start to adjust to life after the war, together. Story will be about their developing relationship
Halo - Rated: M - English - Drama/Romance - Chapters: 6 - Words: 18,276 - Reviews: 193 - Favs: 334 - Follows: 373 - Updated: 10/7/2014 - Published: 7/4/2011 - Master Chief/John-117, Cortana - Complete
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: 931 - Favs: 1,474 - Follows: 1,328 - Updated: 8/27/2014 - Published: 10/8/2010 - Master Chief/John-117
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: 767 - Favs: 1,140 - Follows: 1,422 - Updated: 4/11/2014 - Published: 2/11/2013 - J. Garson, Admiral Hackett, Tali'Zorah, EDI
Battlefield by
mibale reviews
John-117 meets a strange girl from an uncivilized and unnoticed planet. As he gets to know her better they develop a relationship unlike either of them has ever experienced before. Chief/OC, rated M for language and future sexual themes.
Halo - Rated: M - English - Romance/Friendship - Chapters: 8 - Words: 15,530 - Reviews: 61 - Favs: 78 - Follows: 88 - Updated: 4/2/2014 - Published: 8/26/2010 - Master Chief/John-117
The Last Spartan (Version 20) by
DinoJake reviews
After a long deserved rest, the Master Chief awakens in a whole new galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 14,553 - Reviews: 239 - Favs: 131 - Follows: 133 - Updated: 4/1/2014 - Published: 4/1/2013
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: 452 - Favs: 713 - Follows: 819 - Updated: 3/27/2014 - Published: 7/12/2010
For Thy Mantle Reloaded by
Primordial Soul reviews
"We fought, we bled, we died for our inheritance. We were Gods, and we were finally ready to pass down our Mantle. Then we were betrayed, vanquished from the stars and blotted from history. We have learned from our mistakes. We understand why the Precursors did what they did. We are the Reclaimers, and we will ensure that you face true retribution for your actions." ABANDONED
Crossover - Halo & Mass Effect - Rated: T - English - Suspense/Mystery - Chapters: 25 - Words: 113,587 - Reviews: 1068 - Favs: 546 - Follows: 577 - Updated: 3/27/2014 - Published: 11/17/2012
40k: ToyHammer by
Rogue Vector reviews
In the near future of the 21st century, there is only boredom for Michael. Until the finest of the 41st Millennium start appearing in his living room. While shrunk down to miniature scale. With functional weapons. And they are really, really pissed off...
Warhammer - Rated: T - English - Sci-Fi/Humor - Chapters: 33 - Words: 179,721 - Reviews: 956 - Favs: 1,727 - Follows: 1,548 - Updated: 1/14/2014 - Published: 10/29/2009
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: 1931 - Favs: 4,112 - Follows: 2,973 - Updated: 1/12/2014 - Published: 1/26/2013 - OC - Complete
On the Beach by
FuryanJedi13 reviews
After returning to Earth, John and a now-human Cortana are trying to find ways to work out their frustrations. A chance meeting with each other on the beach provides a very ideal solution...
Halo - Rated: M - English - Romance - Chapters: 16 - Words: 82,602 - Reviews: 391 - Favs: 735 - Follows: 466 - Updated: 12/1/2013 - Published: 3/15/2011 - Master Chief/John-117, Cortana - Complete
The Three Empire's by
Mark Twain II LoL reviews
You all liked my Codex so I decided to do a story! So for you new people here's the premise: UNSC super militaristic after the war and built up an empire to match it, HSA being founded by the insurrectionists back in the 2540's an 171 years later once again meeting there old FORGOTTEN foe, and the 12 colonies and Citadel trapped between both.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 15,792 - Reviews: 142 - Favs: 319 - Follows: 369 - Updated: 11/21/2013 - Published: 11/5/2013
Odyssey 2185 by
Gray Spectre Warden Boom reviews
I've really got a screwed up life now... I mean now I'm workin' for Cerberus and doing TIM's dirty work. Man, Shepard really needs to wake up... and I really miss Tali... Sequel to Odyssey 2184. SI. Follows ME2 storyline.
Mass Effect - Rated: T - English - Adventure/Romance - Chapters: 37 - Words: 96,236 - Reviews: 267 - Favs: 171 - Follows: 199 - Updated: 11/9/2013 - Published: 9/30/2010 - Tali'Zorah, J. Garson, Garrus V., OC
Rangers Lead the Way by
Come Lady Death
The age of the ranger has passed, and the age of the Jaeger has begun and I guess that's all there is to that. Written for JaegerCon Bingo - Rangers.
Pacific Rim - Rated: K+ - English - Chapters: 1 - Words: 1,034 - Favs: 2 - Published: 10/14/2013 - Herc H. - Complete
Last Man Standing by
Ian Otter reviews
Surrounded. Cut off. This is how a paratrooper fights. This is how a paratrooper dies. UNSC Army/No Spartans
Halo - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 7,116 - Reviews: 4 - Favs: 20 - Follows: 7 - Published: 9/11/2013 - Complete
Intertextus by
aaron vig reviews
Shepard had seen that the Reapers were coming, then the Heretics and the mercenary armies now sent to stop her. But she never could have predicted the other-world power and opportunity she'd be given... by Cortana and the Master Chief. Mass Effect/Halo
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 81,220 - Reviews: 373 - Favs: 718 - Follows: 821 - Updated: 7/16/2013 - Published: 5/5/2010 - Master Chief/John-117, J. Garson
Convergence by
pyrotorch246 reviews
Nearly one hundred years after the Battle of the Ark, a recovering humanity makes a discovery that will change their view of the galaxy.
Crossover - Halo & Mass Effect - Rated: M - English - Chapters: 19 - Words: 52,016 - Reviews: 297 - Favs: 601 - Follows: 557 - Updated: 7/15/2013 - Published: 4/6/2011 - Complete
The Return of Chaos by
fanoffanfiction02 reviews
Percy's new brother, Damon, was a man-whore. When Percy loses everything to him, he leaves everything from the past, disinheriting himself. Centuries later, a new war is brewing. Without their hero of Olympus, what will they do? Some Lemons
Percy Jackson and the Olympians - Rated: M - English - Chapters: 12 - Words: 14,840 - Reviews: 264 - Favs: 461 - Follows: 498 - Updated: 6/28/2013 - Published: 2/16/2012 - Percy J., Reyna R.
Resistance : Fall of Man An Oral History by
DeathscytheVII reviews
An Oral History describing the rise of the Chimera, prequel to R:FOM. Written in the style of Max Brook's World War Z
Resistance: Fall of Man - Rated: T - English - Suspense/Sci-Fi - Chapters: 31 - Words: 59,413 - Reviews: 76 - Favs: 90 - Follows: 56 - Updated: 3/23/2013 - Published: 11/25/2011 - Complete
Mass Effect: ODST by
Helljumper 1337 reviews
A hero need not speak. When he is gone, the world will speak for him. Follow Rookie the young helljumper as he attempts to piece together to how did he ended on this messed up place...
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 59,265 - Reviews: 471 - Favs: 638 - Follows: 697 - Updated: 3/17/2013 - Published: 12/12/2010 - Rookie, J. Garson
Defiant by
Turrasta reviews
Halo AU/X-over. Humanity's first contact with extra-terrestrial intelligence goes poorly for all around...
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Adventure - Chapters: 23 - Words: 88,617 - Reviews: 261 - Favs: 418 - Follows: 408 - Updated: 3/5/2013 - Published: 11/2/2010
Crimson One by
117 'Wrath reviews
Leader of Fire Team Crimson discovers that somethings are just not meant to be. he learns that what's really important is right in front of his eyes.
Halo - Rated: M - English - Romance/Sci-Fi - Chapters: 8 - Words: 7,022 - Reviews: 12 - Favs: 47 - Follows: 20 - Updated: 2/8/2013 - Published: 2/3/2013 - Master Chief/John-117, S. Palmer - Complete
We are the Imperial Guard by
Adept Lexicanum reviews
A poem I wrote about the Imperial Guard. Abaddon
Warhammer - Rated: T - English - Sci-Fi/Poetry - Chapters: 1 - Words: 56 - Reviews: 1 - Favs: 3 - Published: 1/6/2013 - Imperial Guard
Elsewhen, and elsewhere by
The Lycanthrope reviews
The pirate vessel Free Enterprise has preyed on Imperial shipping for years, but when the battlebarge sent to bring it to heel is dragged 38,000 years into the past, the existence of the Imperium is threatened. In the 3rd, as well as the 41st millennium.
Warhammer - Rated: T - English - Suspense - Chapters: 30 - Words: 123,664 - Reviews: 473 - Favs: 615 - Follows: 606 - Updated: 1/4/2013 - Published: 4/27/2005
The Rookie Chronicles by
Obsidian Thirteen reviews
The Rookie has a name. He's got a face, a past, and a voice. From New Jerusalem to the rainy streets of New Mombasa and beyond, this is his story.
Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 72 - Words: 152,502 - Reviews: 200 - Favs: 261 - Follows: 186 - Updated: 12/2/2012 - Published: 7/14/2011 - V. Dare, Rookie - Complete
Perchance to Dream by
Cyclone reviews
The Illusive Man hoped to get Shepard on his side. When that fails, a contingency plan must be implemented.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 8,489 - Reviews: 31 - Favs: 54 - Follows: 72 - Updated: 11/22/2012 - Published: 6/10/2012 - Master Chief/John-117, Shepard
Forward Unto Dawn: Never Forget by
PhoenixoftheDawn reviews
One man pays respect to one who payed it all for peace
Halo - Rated: T - English - Tragedy - Chapters: 1 - Words: 121 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 10/9/2012 - Master Chief/John-117 - Complete
Halo: Combat Evolved by
nomercy745 reviews
This is my challenge project for Spartan Ninja's Halo challenge. What if Noble-6 made it aboard the Pillar of Autumn and met John-117? What would be different and waht would be the same?
Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 12,562 - Reviews: 28 - Favs: 53 - Follows: 54 - Updated: 9/6/2012 - Published: 9/23/2011 - Master Chief/John-117, SPARTAN-B312/Noble Six
What The Future Brings by
Real Teagy SOT reviews
Only 5 years after the End of the Human-Covenant war does Humanity meet another alien Civilization. but this one has different technology and hasn't heard of the Forerunners. Is this one open to peace at first contact? or will Humanity be bludgeoned by outside forces yet again?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 17 - Words: 54,286 - Reviews: 386 - Favs: 554 - Follows: 539 - Updated: 8/28/2012 - Published: 7/18/2012 - Master Chief/John-117, Shepard
Fallout: Hope from Beyond the Stars by
Freedom Guard reviews
Here is the prologue of my first Fallout Halo crossover, no plans as of yet on how this will play out, so it's not going to be updated any time soon. Second chapter is out for the day. Story on Ice due to updating of NON Halo stories.
Crossover - Fallout & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 83,901 - Reviews: 225 - Favs: 459 - Follows: 411 - Updated: 8/19/2012 - Published: 12/29/2010 - Lone Wanderer, Master Chief/John-117
Revenge of a Goddess by
The Hippy Griff reviews
A year has passed since Reach, Earth's mightiest stronghold and most prosperous colony, fell to the Covenant horde. Now a human frigate, lost in outer space, finally returns to the burned world. They only want to survive...but amidst such horror, amidst the bodies of billions of innocents, the fires of vengeance rest within their hearts.
Halo - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 9,156 - Reviews: 4 - Favs: 2 - Follows: 6 - Updated: 7/31/2012 - Published: 7/25/2012 - Complete
The Lost Soldier by
bsm117 reviews
Shepard is on a mission to stop the collector's. But before she has a chance to get her team into the best shape that they can be, she stumbles onto a ship named Forward Unto Dawn.Paragon Shepard, Spacer War Hero.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 24,410 - Reviews: 84 - Favs: 211 - Follows: 250 - Updated: 7/29/2012 - Published: 7/30/2011 - Master Chief/John-117, J. Garson
Gaius' Ambition by
Eterna1Soldier reviews
"I came, I saw, I conquered." Julius Ceasar. In the 21st century humans make rapid advances into space, with individual nations striving to create their own interstellar empires. Space, for most people, was a means to escape, to leave a conflicted, divided and violent world. But wherever man went, devastation soon followed. (Title Changed)
Mass Effect - Rated: T - English - Chapters: 5 - Words: 14,865 - Reviews: 226 - Favs: 578 - Follows: 639 - Updated: 7/26/2012 - Published: 1/22/2012 - Councilor Tevos
I LOVE the smell of green by
John 'Doc' Holliday reviews
This is the military tale and autobiography of everyone's favorite hard ass sergeant major. Avery Johnson. It picks up at his first duty station and will end where everyone knows his tale comes to a close. Or will it? This is only rated M in case the violence gets too graphic. It shouldn't get worse than T. oh and M for minor adult themes. THIS is Sergeant Johnson we're talkin bout
Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 995 - Reviews: 4 - Favs: 1 - Updated: 6/14/2012 - Published: 5/9/2012 - A. J. Johnson, F. Mendez
Consuming Direct Control by
Hyliian reviews
With nothing left for him in the galaxy but empty space and idle time, Alex Mercer finds himself recruited in Commander Shepard's fight against the Collectors. DISCONTINUED.
Crossover - Mass Effect & Prototype - Rated: T - English - Adventure/Sci-Fi - Chapters: 44 - Words: 86,396 - Reviews: 1277 - Favs: 2,468 - Follows: 1,796 - Updated: 6/6/2012 - Published: 4/27/2012 - J. Garson, Alex M./Zeus - Complete
I Need You by
AKissAndAGunshot reviews
"Wake me... when you need me."
Halo - Rated: T - English - Romance/Sci-Fi - Chapters: 6 - Words: 13,006 - Reviews: 62 - Favs: 77 - Follows: 94 - Updated: 5/13/2012 - Published: 5/6/2012 - Master Chief/John-117, Cortana
The Party by
The-Intensity reviews
Spartan 117 wanders in on a strange sight. A bachelor party. Cortana is being emotional, a marine is getting a lap dance, and Johnson is still acting like a sage... Nothing out of the ordinary. Rated T for a few adult themes and foreign bad words.
Halo - Rated: T - English - Humor/Family - Chapters: 4 - Words: 5,170 - Reviews: 24 - Favs: 19 - Follows: 16 - Updated: 4/20/2012 - Published: 8/19/2010 - Master Chief/John-117, A. J. Johnson
Expect the Unexpected by
Queen of darkness.xo reviews
A new threat rises that puts all life in the Galaxy at risk. After almost a year since Rachel's death, Chief continues the search for her. Reunited on the battlefield Chief is confused as to why she is fighting for the other side. Enemies become allies.
Halo - Rated: K - English - Romance/Sci-Fi - Chapters: 3 - Words: 4,556 - Reviews: 25 - Favs: 43 - Follows: 61 - Updated: 4/18/2012 - Published: 9/17/2011 - Master Chief/John-117
Living Dead by
Obsidian Thirteen reviews
Corporal Jared West has just awoken from a short coma to a world plagued by undead hordes of inhuman monsters. As he struggles for survival, he hunts desperately for answers, survivors, and just a few more bullets.
Halo - Rated: M - English - Horror/Mystery - Chapters: 13 - Words: 30,520 - Reviews: 37 - Favs: 33 - Follows: 26 - Updated: 4/11/2012 - Published: 1/30/2012 - Complete
Noblest of the Noble by
wilkins75 reviews
Noble Six along with a group of UNSC marines and civilians got on the last transport off Reach. They crash land on New Caprica. Knowing that they don't have the supplies to last they went into Cryosleep when the Cylons come.M for Violence and Language
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Adventure - Chapters: 41 - Words: 115,699 - Reviews: 456 - Favs: 546 - Follows: 358 - Updated: 2/27/2012 - Published: 9/23/2011 - SPARTAN-B312/Noble Six, W. Adama - Complete
Eagle's Fall by
CharNobyl reviews
Shanxi becomes the first human world since Earth to be invaded by hostile aliens. Outnumbered and reeling, the GDI troops dig in for war, hoping their trenches will not become their graves. The First Contact War, with GDI replacing the Systems Alliance.
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 75,362 - Reviews: 191 - Favs: 741 - Follows: 455 - Updated: 2/18/2012 - Published: 5/4/2011 - Complete
Heresy Through the Wormhole by
he who fell from grace reviews
6 years have passed since the finale of the Replicon War. The Imperium stands supreme across 3 Galaxies. Beyond the stars the Ori Ascendancy begins to move and something stirs in the depths of the Warp. Humanities' darkest war has begun. Book 3 of 3.
Crossover - Stargate: SG-1 & Warhammer - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 134,397 - Reviews: 105 - Favs: 119 - Follows: 110 - Updated: 2/18/2012 - Published: 9/29/2010
Tales from the Dark Millennium by
Colonel-Mustard1990 reviews
A collection of one-shots for the 40K universe. T for violence in some, may vary.
Warhammer - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 16,241 - Reviews: 12 - Favs: 15 - Follows: 12 - Updated: 1/17/2012 - Published: 1/13/2012
An ODST Poem by
Moyes-Lowe reviews
This Is My First FanFic I Am Open For Criticism Aslo This Poem Belongs To 343 Industries/Bungie
Halo - Rated: K+ - English - Poetry - Chapters: 1 - Words: 73 - Reviews: 2 - Favs: 6 - Follows: 2 - Published: 1/11/2012 - Rookie - Complete
Angels of the Storm by
Colonel-Mustard1990 reviews
The Reapers have come, doom threatens the galaxy and it is time for Malleus Scandarum and his brothers to stand firm and face the oncoming storm. ME3 Specfic, sequel to Hammerhand, complete.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 65 - Words: 195,460 - Reviews: 351 - Favs: 577 - Follows: 336 - Updated: 1/10/2012 - Published: 2/10/2011 - Space Marines - Complete
Halo: Here we go Again! by
144MeditantLight reviews
more than just a simple HaloME. please do not stare directly at the pseudoscience, it's a good way to go blind. expect epic naval battles, swearing marines, and general havoc, chaos and mayhem as worlds and races collide in a fight for survival.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Drama - Chapters: 5 - Words: 15,846 - Reviews: 27 - Favs: 65 - Follows: 73 - Updated: 11/12/2011 - Published: 10/6/2011
Into the Black, Forever Free by
Akoro88 reviews
Mal and the crew make an interesting find while on an illegal salvage. A squad of ODST's gets stuck in a slip stream portal from the Ark while on a mission looking for the Chief. When they drop from slip space, whats waiting will test them to the limit.
Crossover - Halo & Firefly - Rated: T - English - Adventure/Friendship - Chapters: 11 - Words: 79,936 - Reviews: 287 - Favs: 415 - Follows: 464 - Updated: 11/9/2011 - Published: 8/27/2009 - Master Chief/John-117, Mal
A New Age by
Sigma of Prisium reviews
The Human-Covenant War is over, and humanity is slowly recovering their strength. But unknown to them and their allies, their worlds will soon make contact with rest of the galaxy. First Time FanFiction. Please Enjoy. [ON HAITUS/REPLACEMENT GOING ON]
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 73,443 - Reviews: 494 - Favs: 592 - Follows: 573 - Updated: 10/23/2011 - Published: 11/27/2010
Humanity's Legacy by
Andrithir reviews
The galaxy believed that humanity was represented by the Systems Alliance, but they never accounted the United Nations Space Command. PostME2.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 15,846 - Reviews: 157 - Favs: 549 - Follows: 602 - Updated: 10/6/2011 - Published: 8/13/2011 - Master Chief/John-117, Shepard
The Pandora Incident by
british-guy-92 reviews
What if James Cameron's 'Avatar' had taken place in the 40K universe? What if the Na'vi found themselves standing in the path of the Imperium of Man? A Warhammer 40,000/Avatar crossover. COMPLETE.
Crossover - Warhammer & Avatar - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 42,690 - Reviews: 96 - Favs: 253 - Follows: 162 - Updated: 9/9/2011 - Published: 2/14/2010 - Complete
Dear John by
lady.fame reviews
A young girl loses everything when the Covenant finds Planet Reach. To support her younger siblings, she sends them to live with their Aunt on Earth and joins the military. What happens when she's put in the SPARTAN program? MCOC JohnOC Lemons later!
Halo - Rated: M - English - Romance/Adventure - Chapters: 10 - Words: 20,943 - Reviews: 30 - Favs: 28 - Follows: 43 - Updated: 6/11/2011 - Published: 8/30/2010
The Sleeping Casket by
S058 reviews
The SR-2 discovers a abandoned ship. The Ship's name: Forward Unto Dawn.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 21 - Words: 39,335 - Reviews: 283 - Favs: 251 - Follows: 335 - Updated: 5/31/2011 - Published: 2/18/2010 - Master Chief/John-117, Shepard
Halo & Avatar Retaliation by
Flex Nard reviews
382 years after Jake Sully's adventure on Pandora, the humans have returned. But this time they are packing much heavier artillery. Can the Na’vi survive the UNSC? Can their warriors fare against a Spartan? Read the story to find out!
Crossover - Halo & Avatar - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,573 - Reviews: 48 - Favs: 52 - Follows: 68 - Updated: 4/30/2011 - Published: 3/16/2010
Illusion by
AdInventum reviews
Playing chess with Cortana was fun until the doctor reminded him she didn't exist anymore. Oneshot, kind of sad. I wanted to try something new. Please read and review!
Halo - Rated: K - English - Sci-Fi/Hurt/Comfort - Chapters: 1 - Words: 1,590 - Reviews: 24 - Favs: 96 - Follows: 22 - Published: 1/8/2011 - Master Chief/John-117, Cortana - Complete
Halo: Cylon War by
Redrover117 reviews
This is Spartan 117...I am alive...I have defied gods and demons. I am humanity's shield and its sword. The world has ended and the fight for humanity's survival has begun again.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 48,049 - Reviews: 221 - Favs: 423 - Follows: 276 - Updated: 12/16/2010 - Published: 7/31/2010 - Master Chief/John-117 - Complete
Return of the Reclaimer by
wilkins75 reviews
Two years ago an Alien Ship was found and moved to a secret military base. On board was a person of unknown origins in armor frozen in time. Cylons are now preparing for their attack on the 12 Colonies of Man unaware of what is nearby watching.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 63,448 - Reviews: 347 - Favs: 577 - Follows: 331 - Updated: 8/30/2010 - Published: 5/19/2010 - Master Chief/John-117 - Complete
Stand of the USS Missouri by
Samantha Times reviews
This is how I think the USS Missouri should've gone down, Review if you wish.
World in Conflict - Rated: T - English - Chapters: 1 - Words: 416 - Reviews: 5 - Favs: 13 - Follows: 5 - Published: 7/17/2010 - Complete
One Purpose by
Wannabecriminalman reviews
A person who's saved the galaxy is a rare find, but as fate would have it, two such individuals from very different galaxies will meet when the Normandy SR-2 finds a faint distress beacon.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 24,400 - Reviews: 240 - Favs: 463 - Follows: 601 - Updated: 5/16/2010 - Published: 3/2/2010
The Master Chief Effect by
Enalias reviews
Just Imagine the Master Chief in the Mass Effect universe, that pretty much explains it.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 14,976 - Reviews: 132 - Favs: 228 - Follows: 286 - Updated: 3/31/2010 - Published: 8/5/2009 - Master Chief/John-117, J. Garson
The Hope of Humanity: Lost in the Wastes by
Taco Dinero reviews
After the Battle of Installation 00, Master Chief & Cortana do get teleported back to Earth. However, the planet they come back to is not the same one they left. Halo 3/Fallout 3 Crossover
Crossover - Fallout & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 15,081 - Reviews: 78 - Favs: 155 - Follows: 190 - Updated: 2/3/2010 - Published: 11/8/2009 - Master Chief/John-117
Gods and Demons by
TheGodfatherSJP reviews
Set after the ending of Halo 3. The Master Chief crash lands on an unknown planet and finds he's gone from one war to another. Crossover with a well known TV show but you'll have to read to find out which one . Please read and review.
Halo - Rated: M - English - Sci-Fi - Chapters: 19 - Words: 75,127 - Reviews: 411 - Favs: 729 - Follows: 766 - Updated: 5/28/2009 - Published: 1/14/2008 - Master Chief/John-117, Cortana
The Big Damn Ring by
Hokum pilot reviews
A Firefly\Halo crossover. Set after BDM and Halo 3. Master Chief and Cortana lands on Alliance planet and must get back to the UNSC, while the united UNSC\Elites fleet searches for Halo installlations.
Firefly - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 4,378 - Reviews: 7 - Favs: 7 - Follows: 14 - Updated: 2/3/2009 - Published: 12/5/2008