Sort: Category . Published . Updated . Title . Words . Chapters . Reviews . Status .
The Halo Effect
by Agentweapon Proelium-Tempus reviews
The UNSC dispatches a small task force to investigate an artefact with origins not of the Orion Arm. The Citadel Races, including the Systems Alliance, are in for an eye opener when two new players in galactic prowess are not only technologically superior but also not bound by the Element Zero and its constraints. Rated T for reasons. AU in both Halo and ME events.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 15 - Words: 48,378 - Reviews: 337 - Favs: 915 - Follows: 1,212 - Updated: 9/15 - Published: 8/6/2015 - Master Chief/John-117, OC, Shepard (F)
by Peptuck reviews
Mankind has survived its crucible, and while scarred and changed by the Ethereals, they advance into the cosmos. The galaxy beyond is a place of wonder and terror, of wealth and strife. Amid the threats and opportunities, both within and without, XCOM remains vigilant. Mass Effect/XCOM/Eclipse Phase/FEAR/Destiny fusion.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 170,804 - Reviews: 403 - Favs: 802 - Follows: 897 - Updated: 9/14 - Published: 9/2/2014
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: 18 - Words: 179,291 - Reviews: 1181 - Favs: 1,810 - Follows: 2,235 - Updated: 9/14 - Published: 1/26/2014
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: 107 - Words: 753,563 - Reviews: 3124 - Favs: 1,873 - Follows: 1,727 - Updated: 9/12 - Published: 5/17/2012
Girls und Panzers: The Forgotten
by GoLdOnEaGlE reviews
A never before seen panzer with a mysterious and clouded past as well as an unlikely new team of male tankers is a great challenge for any tankery team. But now add all that to the pressure of following up a championship season, and financial instability. The girls of Ooarai face new challenges as they continue the struggle to save their school and rewrite history.
Girls und Panzer/ガールズ&パンツァー - Rated: T - English - Adventure/Friendship - Chapters: 2 - Words: 10,244 - Reviews: 18 - Favs: 20 - Follows: 29 - Updated: 9/8 - Published: 3/27/2014 - Erwin, Miho N., Yukari A., OC
The Gathering Darkness
by TheLastEidolon reviews
The Council races stumble upon the Sol system and its occupants. Amidst trying to decipher the...unusual technology employed by the humans, they learn that the denizens of Earth are fighting a desperate war against an enemy so powerful, even the combined might of the Council's armies may not be enough to defeat it...
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 43,407 - Reviews: 167 - Favs: 629 - Follows: 829 - Updated: 9/6 - Published: 7/10/2015 - Garrus V., Liara T'Soni, U. Wrex, Tali'Zorah
The Light Beyond
by Saint Reaper101 reviews
Earth has been decimated, its lands infested with hive, taken and fallen. The last remnant of the light grows brighter at the defeat of Oryx. A Baron rebels against his Kell and House to reclaim what his race once had, and an object in deep space is discovered by Dead Orbit. Discovering a new galaxy full of races that may help bring hope to all under the banner of the Traveler.
Crossover - Mass Effect & Destiny - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 59,243 - Reviews: 46 - Favs: 106 - Follows: 135 - Updated: 9/4 - Published: 5/20
Abyssal Diaries: Requiem
by MortalitasBorealis reviews
A young woman finds herself waking at the bottom of the ocean, with no memories of her identity or her past beyond a hazy dream. Her awakening and her journey that follows will prove to be far more than anything she bargained for however, as the fate of the entire world is placed on the line.
Kantai Collection - Rated: T - English - Adventure/Drama - Chapters: 32 - Words: 160,627 - Reviews: 119 - Favs: 90 - Follows: 125 - Updated: 8/31 - Published: 3/6/2015
by SomeGuyOverHere reviews
2 years after the Reaper War, Cerberus still retains control over Omega and Aria T'loak wants it back. To reclaim her station she recruits Commander Jane Shepard, together they will take back Omega and destroy Cerberus once and for all. But they will soon learn that Cerberus isn't the worst enemy in Omega. The sequel to Predators: Variety of Prey and Aliens: Bane of the Reapers!
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi/Horror - Chapters: 5 - Words: 36,529 - Reviews: 30 - Favs: 47 - Follows: 51 - Updated: 8/22 - Published: 3/27
by MagicianX26 reviews
A 16-year-old naval enthusiast gets summoned onto a platform that holds the warriors of humanity's greatest enemy. In a body weak and useless, what can he do in order to survive?
Kantai Collection - Rated: T - English - Sci-Fi/Fantasy - Chapters: 24 - Words: 90,375 - Reviews: 22 - Favs: 79 - Follows: 114 - Updated: 7/12 - Published: 1/29 - OC
Da Great Star WAAAAGH!
by War Cry's reviews
Pain's glare set an all time record for frying unlucky Orks when he saw the outside of the shuttle. He didn't want to deal with any pitch black jungles. He could already feel the headache coming at trying to keep his squad alive. 'Bludy Mek'z'. Pre-Phantom Menace start. Not quite Warhammer Ork'z, but close enough. Warning, mostly OOC Ork's.
Crossover - Star Wars & Warhammer - Rated: T - English - Humor/Sci-Fi - Chapters: 5 - Words: 14,075 - Reviews: 22 - Favs: 39 - Follows: 51 - Updated: 6/21 - Published: 12/7/2015 - E. Palpatine, Orks
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: 3173 - Favs: 4,034 - Follows: 4,748 - Updated: 5/22 - Published: 10/13/2011 - Tali'Zorah
Mass Effect: Guerrillas
by Wanderer101 reviews
When the EDF left mars they took with them the secrets of a lost civilization. The EDF neglected to inform the Red Faction of the galaxy at large hoping the tiny planet would collapse. Unfortunately for them The Faction became stronger than anyone on Earth or the Citadel could ever imagine.
Crossover - Red Faction & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 9 - Words: 13,450 - Reviews: 70 - Favs: 205 - Follows: 268 - Updated: 5/18 - Published: 9/9/2013
Kantai Collection : Within the Abyssal
by JdkLeBleau728 reviews
You want to know where did the Abyssal come from? Then how about you answer me this easy question before I answer yours? When you're out in the vast ocean under the limitless blue sky, do you hear anything beside the waves and the winds? Yes? That's their cries, from the Abyss, a place where I find comfortable than any Naval base. Come, and I will tell you everthing. OCs Admirals!
Kantai Collection - Rated: T - English - Chapters: 19 - Words: 84,758 - Reviews: 40 - Favs: 61 - Follows: 75 - Updated: 5/2 - Published: 12/10/2014 - Yuudachi, Shigure, OC
Last of the Silent Kings
by Asuryan reviews
He had lead his people through the War in Heaven. He had shattered the gods themselves and united a galaxy against all odds. But how would he fare in another one entirely?
Crossover - Warhammer & Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 1,252 - Reviews: 96 - Favs: 232 - Follows: 322 - Updated: 4/28 - Published: 6/3/2015 - Necrons, Shepard (F)
Girls und Panzers: A Year in the American League (placeholder title)
by GoLdOnEaGlE reviews
"They don't make sport, they make war." Join the girls of Anglerfish and Hippo Team as they struggle with a new sport, and a new team in the United States that throws them into the pit of chaos and madness, and into a new home that brings many questions. A challenge has been presented before Miho, one that strikes home, and leaves her and the entire team, shattered. TITLE W CHANGE
Girls und Panzer/ガールズ&パンツァー - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 6,056 - Reviews: 43 - Favs: 30 - Follows: 41 - Updated: 4/17 - Published: 9/21/2013 - Caesar, Miho N., Yukari A., OC
Gundam Build Fighters A
by Terminus Zwei reviews
The path of life that is "Gunpla Battle" exists in even America... watch as a team forms wishing to reach the top of that world.
Gundam Build Fighters/ガンダムビルドファイターズ - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 131,655 - Reviews: 52 - Favs: 35 - Follows: 32 - Updated: 3/11 - Published: 11/19/2013
by swimmingcop reviews
A dormant Ordo Xenos complex on a forgotten world is besieged by the forces of Chaos. Desperate to survive, the token force of Guardsmen defenders look to the dangerous artifacts the Inquisition stored to help them, only to find a pristine suit of armor fit for a space marine. Private Vanic gasped. It moved. (Cancelled and awaiting rewrite. Standby.)
Crossover - Warhammer & Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 69,470 - Reviews: 87 - Favs: 127 - Follows: 146 - Updated: 2/2 - Published: 5/26/2015
HaloMass Effect: Ruptured Universe (Cancelled)
by JediSpectre177 reviews
Multiple crossovers AvP,RvB, JC's Avatar, Star wars, Halo, Mass Effect and more. Authors 2nd apology and Cancellation on chapter 14
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 160,561 - Reviews: 662 - Favs: 440 - Follows: 453 - Updated: 1/20 - Published: 4/16/2012 - Master Chief/John-117
ACES of SEED
by longherin reviews
Four Wings of Strangereal gets plopped into the SEED verse and fly around and be awesome. Essentially the Ace Combat franchise running into the Gundam Seed universe at full speed. It's messy and hopefully enjoyable.
Crossover - Gundam Seed & Ace Combat - Rated: T - English - Chapters: 26 - Words: 162,647 - Reviews: 83 - Favs: 82 - Follows: 72 - Updated: 1/15 - Published: 6/6/2014
Gundam Build Fighters EXCELSA
by MarikaKato7 reviews
16 year old Levanah Morgan is an up and coming Gunpla Fighter, starting her Summer break when she gets the opportunity of a lifetime: a chance to compete in the 9th Gunpla Battle World Championship. But there are many challenges ahead before that becomes a reality. Does she have what it takes to make it to the finals? - OC-centric, contains f/f.
Gundam Build Fighters/ガンダムビルドファイターズ - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 62,658 - Reviews: 22 - Favs: 20 - Follows: 23 - Updated: 11/11/2015 - Published: 9/30/2014 - R. Fellini, Nils Nilsson, OC
The Great Devourer
by LoverOfGames reviews
A tyranid splinter fleet is thrown into the Star Wars galaxy at the dawn of the Clone Wars. Things will never be the same again.
Crossover - Star Wars & Warhammer - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 24,634 - Reviews: 118 - Favs: 275 - Follows: 335 - Updated: 10/28/2015 - Published: 6/2/2012
The Messiah Complex
by StarKnight2.0 reviews
Sequel to Black Light. Five Years have passed since the outbreak and New York has rebuilt itself. Alex Mercer is dead and the world is at peace. But a powerful new enemy arises and threatens to destroy the world. Heroes, new and old, unite to stop him. But the enemy has new allies and it is turning old friends against our heroes. Will they defeat Pariah? or will they fall? Complete
Crossover - Prototype & Young Justice - Rated: T - English - Horror/Sci-Fi - Chapters: 17 - Words: 49,075 - Reviews: 162 - Favs: 87 - Follows: 61 - Updated: 10/13/2015 - Published: 8/18/2012 - Complete
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: 5 - Words: 147,111 - Reviews: 210 - Favs: 707 - Follows: 979 - Updated: 9/5/2015 - Published: 3/20/2014
by RaizerHayato reviews
Pandora has just begun a time of peace and prosperity. The vault hunters work tirelessly to undo the damage of jack and his tyrannical rule while launching a relief effort. That is until a new threat takes them by surprise and puts all of Pandora at risk once more. There ain't no rest for the wicked as a new tale begins for our band of heroes!
Borderlands - Rated: T - English - Adventure/Humor - Chapters: 8 - Words: 18,226 - Reviews: 13 - Favs: 8 - Follows: 10 - Updated: 8/31/2015 - Published: 7/30/2013 - Lilith, Mordecai, Zer0, Gaige
The Eighth Space War: A Light in the Black
by Aldaeus reviews
Fifteen years have passed since the end of the seventh space war, with the UNE's ultimate weapon the GX-9900 firing a shot that shook the world to its very core. During those fifteen years many wars have occurred across the galaxy, and with them have seen the rise of the Gundams, and the Preventers. Now finding this shattered world, will they be the light in the black for the A.W.?
Crossover - Gundam Wing/AC & After War Gundam X - Rated: T - English - Sci-Fi/Parody - Chapters: 14 - Words: 206,204 - Reviews: 73 - Favs: 72 - Follows: 74 - Updated: 8/23/2015 - Published: 1/26/2013
by Bookah reviews
Xandra has itches in her britches. When a Charr warrior notices the diminutive asuran's problems he attempts to set her up on a date, only for the conversation to get very technical, a bit ribald, and completely off kilter. Warnings for sexually suggestive language. Story is self contained.
Guild Wars - Rated: M - English - Romance/Fantasy - Chapters: 1 - Words: 2,036 - Reviews: 4 - Favs: 12 - Follows: 5 - Updated: 8/8/2015 - Published: 11/10/2013 - Asura, Charr - Complete
The Last Spartan
by DinoJake reviews
An AU fic in which the Halo and ME universes share the same galaxy. After a well deserved rest in Cryo-Sleep, Master Chief finally awakens...to a whole new galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 50 - Words: 457,589 - Reviews: 3360 - Favs: 3,020 - Follows: 3,066 - Updated: 7/21/2015 - Published: 5/2/2010 - Master Chief/John-117
by Robert Lee reviews
Ever sense the two games Halo and Mass Effect have been out, there have been those that have written cross overs or discussed how the two universes may interact. Gateway Chronicles is my take on that very issue.
Crossover - Halo & Mass Effect - Rated: K - English - Sci-Fi - Chapters: 12 - Words: 35,574 - Reviews: 44 - Favs: 88 - Follows: 148 - Updated: 6/5/2015 - Published: 11/14/2014
Masses to Masses 4
by UrdnotShaw 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: 10 - Words: 83,002 - Reviews: 593 - Favs: 696 - Follows: 855 - Updated: 5/26/2015 - Published: 2/4/2013 - Shepard (F), Garrus V., Thane K., Kasumi G.
KanColle: Project Armada
by Genesis SBX reviews
In the midst of the stalemate against the Abyssals, the ongoing conflict is beginning to take its toll on the world. In desperate need of better weaponry, scientists immediately went to work on a top secret project. The purpose was to create newer & improved Fleet Girls. However, the results didn't come out to be expected. Join the Fleet Boys on their Pacific adventure...[OCxHarem]
Kantai Collection - Rated: T - English - Adventure/Romance - Chapters: 6 - Words: 25,201 - Reviews: 27 - Favs: 42 - Follows: 49 - Updated: 4/16/2015 - Published: 3/12/2015 - OC
Darksiders: Last of the Third Kingdom
by Jarl of the North reviews
When War was doing battle against the forces of Heaven and Hell alike in the EndWar, things were already going from bad to worse by the minute. When he is brought before the Charred Council, things can't seem to get much worse for the Horseman. But what happens when a young boy - the last of the Third Kingdom, no less - is thrown into the mix?
Darksiders - Rated: M - English - Adventure/Fantasy - Chapters: 20 - Words: 67,570 - Reviews: 205 - Favs: 122 - Follows: 123 - Updated: 1/29/2015 - Published: 7/2/2012
by General Rage reviews
Fleeing from the glassing of Reach in the belly of the Pillar of the Autumn, the crew of the SR-2 Normandy find themselves stranded with their UNSC allies on a strange Forerunner constructed ring world called Halo with the Covenant hunting them. But Halo holds a secret, one deadlier than both the Covenant and Reapers combined... and it's hungry.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 38 - Words: 890,038 - Reviews: 975 - Favs: 529 - Follows: 496 - Updated: 1/28/2015 - Published: 11/5/2012 - Master Chief/John-117, Shepard (M) - Complete
In Infinitum: First Contact
by Victor Weiss 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: 931 - Favs: 1,014 - Follows: 1,316 - Updated: 1/23/2015 - Published: 9/19/2013
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: 994 - Favs: 975 - Follows: 1,101 - Updated: 1/17/2015 - Published: 10/3/2013 - Shepard (F), U. Wrex, Tali'Zorah, Admiral Hackett
by The Winged Pyro That Drowned reviews
What happens if you Banish a Liset right before going through a Solar Rail? Why, it'll send them across space and into somewhere it definitely shouldn't be, as a young Mirage wearing Tenno discovers. Stuck in dock next to the one and only Normandy SR-1, Tessa's stuck in a First Contact situation only a Shepard could defuse. (ME1, FemShep, shit's gonna get crazy...)
Crossover - Mass Effect & Warframe - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 46,837 - Reviews: 40 - Favs: 150 - Follows: 221 - Updated: 1/17/2015 - Published: 12/11/2014 - Shepard (F), Garrus V., Kaidan A., Lotus
Mobile Suit Gundam 00 SEED: Rise of the Gundam Meisters
by UltimateGundamFighter reviews
C.E.71 Earths fossil fuels have been depleted. Groups of nations on earth have created Orbital Elevators & a solar generation system giving humanity a nearly infinite amount of energy. However even in this new Era humanity is still unable to live together as one. Two individuals Kira Yamato & Setsuna F Seiei posses Mobile Suits called Gundam's may be able change the world.
Crossover - Gundam Seed & Gundam 00 - Rated: T - English - Adventure/Romance - Chapters: 7 - Words: 45,406 - Reviews: 47 - Favs: 78 - Follows: 77 - Updated: 1/1/2015 - Published: 6/24/2013 - [Setsuna, Feldt] [Kira Y., Lacus C.]
by KhamanV reviews
The City is the last bastion of mankind, but not always regarded as a sanctuary for those fragmentary people. For at least one band of pioneers, they chose their own destiny - to fight back a scrap of Earth for themselves far away from the Traveler. But when a young pioneer stumbles across a seeking Ghost, will everything change for the desperate colony?
Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 24 - Words: 55,200 - Reviews: 82 - Favs: 98 - Follows: 90 - Updated: 12/22/2014 - Published: 9/2/2014 - Ghost, Exo, Cayde-6, OC - Complete
Straight into Hell
by narusakuh8tr43 reviews
They were sent out to find new life. Instead, it looks like new life found them. Rated T for violence.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 5,499 - Reviews: 37 - Favs: 112 - Follows: 121 - Published: 9/21/2014 - Nihlus K., Ghost
by nolan85 reviews
Eons past, The Endless colonized and settled across the galaxy before mysteriously vanishing. Their legacy, nanocomputers called Dust, is the only clue to their fate. Now, the civilizations of the galaxy are locked in a bitter struggle to unlock the secrets of Dust, that is if they do not destroy themselves and each other through war.
Misc. Games - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 7,716 - Reviews: 6 - Favs: 6 - Follows: 3 - Updated: 9/18/2014 - Published: 9/17/2012
Halo: Mass Revelation
by REDSTORMAR555 reviews
Decades have passed since the devastation of the Human-Covenant War, with both factions forging new bonds with each other and other foreign powers that reach the galactic stage. Years after meeting a species remarkably similar to humanity, a relic is found in the icy moons of Harvest. Little does the galaxy know that this find would ignite wars for both power, and survival.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 47,399 - Reviews: 172 - Favs: 370 - Follows: 447 - Updated: 9/10/2014 - Published: 1/16/2013
Mass Effect: Corruption
by Cerebral Anarchy reviews
After the destruction of the Marker on Titan Station, Isaac Clarke and Ellie Langford find themselves picked up by an Earth vessel. But not everything is as it seems.
Crossover - Mass Effect & Dead Space - Rated: T - English - Sci-Fi/Horror - Chapters: 4 - Words: 9,510 - Reviews: 70 - Favs: 121 - Follows: 162 - Updated: 8/31/2014 - Published: 7/28/2012 - Shepard (M), Isaac C.
by EccentricCoyote reviews
What happens when a player, from another MMO gets ported into the world of Elder Tale; and what happens when that character is not only equipped with better gear than typical adventurers but also a higher level cap than anyone else could match. Will the balance of power be thrown into chaos? Or will this lead to new possibilities. And, what if he didn't came Alone? AU&OCs
Crossover - Log Horizon/ログ・ホライズン & Destiny - Rated: T - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 14,161 - Reviews: 15 - Favs: 66 - Follows: 75 - Updated: 8/28/2014 - Published: 8/23/2014
X-COM: Enduring Legacy
by Wixeron reviews
Humanity has survived, adapted and won against extraterrestrial threats even before they leave Earth. Now, with a changed mentality, they took to the stars and would bring about a revolution to the galactic community and inadvertently, change the course of the Cycle.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 21,696 - Reviews: 40 - Favs: 154 - Follows: 211 - Updated: 8/23/2014 - Published: 7/27/2014
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: 799 - Favs: 885 - Follows: 1,084 - Updated: 8/21/2014 - Published: 3/23/2014
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: 137 - Favs: 293 - Follows: 281 - Updated: 8/14/2014 - Published: 7/7/2013 - Complete
No Gods, Only Guns
by Peptuck reviews
Ancient artifacts of immense power. Murderous synthetics. Ruthless megacorps. Unscrupulous mercenaries. Genocidal stellar god-machines. Incompetent galactic governments. Claptrap dubstep. The horrors of the galaxy are many, but there's one thing a good, mentally-unstable fortune-seeking antihero can rely on: the gun at his, her, or its side. Mass Effect/Borderlands fusion.
Crossover - Mass Effect & Borderlands - Rated: T - English - Adventure/Humor - Chapters: 13 - Words: 141,747 - Reviews: 394 - Favs: 810 - Follows: 816 - Updated: 7/19/2014 - Published: 1/21/2013
Armored Geass For Answer (R1)
by hawkeyeriku reviews
The Closed Plan has been completed, but not without sacrifices. Engulfed in a massive Kojima explosion while protecting the Anti-Satellite Batteries from a sneak attack, Strayed will find himself not only alive, but actually stranded on a world similar to his own, yet unlike it at the same time. How will the last surviving member of the fearsome ORCA Brigade fare against an Empire?
Crossover - Armored Core & Code Geass - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 117,423 - Reviews: 102 - Favs: 124 - Follows: 127 - Updated: 7/10/2014 - Published: 5/31/2013 - [Lelouch L., C.C.] [Kallen S., Strayed]
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: 512 - Favs: 1,630 - Follows: 1,843 - Updated: 7/1/2014 - Published: 3/24/2013
Fear For the Worse
by MegaEternalBliss reviews
Following after the encounter of Maya, Krieg journeys into area to area in search for her once more. Can he keep all of his sanity in place or will he decided to go with a bang?
Borderlands - Rated: T - English - Romance/Adventure - Chapters: 9 - Words: 14,689 - Reviews: 24 - Favs: 30 - Follows: 50 - Updated: 6/29/2014 - Published: 6/9/2013 - Maya, Krieg
Kin From The Stars: Incursion
by Kinsmen From A Far Star reviews
Fifteen years after the Covenant War, ONI discovers the Systems Alliance; decimated by the Reapers six years ago. Faced with insurgency among the Colonies, ONI realizes it must make sure the truth never sees the light of day and begins a radical new plan, in a desperate attempt to buy the UNSC as much time as possible, and for that, it will need a new generation of Spartans...
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 15 - Words: 109,115 - Reviews: 260 - Favs: 283 - Follows: 325 - Updated: 6/28/2014 - Published: 9/25/2012 - C. Halsey, Kelly-087, Garrus V., Shepard (M)
Powers of the Galaxy
by Kirbboy reviews
For many years humanity was confined to Earth, unable to escape the oppressive Assault Cells that kept them from space. ORCA knew this, and so, they destroyed humanity's jailors, opening the path to space as humanity thrived once more. However, they will soon find that the unknown expanse was holding much more than anyone could have dreamed of... and so humanity must fight again.
Crossover - Armored Core & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 58,461 - Reviews: 239 - Favs: 547 - Follows: 622 - Updated: 5/10/2014 - Published: 6/14/2013
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: 735 - Favs: 949 - Follows: 1,221 - Updated: 4/11/2014 - Published: 2/11/2013 - Shepard (F), Admiral Hackett, Tali'Zorah, EDI
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: 1055 - Favs: 460 - Follows: 504 - Updated: 3/27/2014 - Published: 11/17/2012
The Lost Civilization
by dashboardgecko reviews
Since beyond living memory, great and fantastic beasts have roamed the world, and mankind has fought them; some for glory, some to protect others, but always the monsters have been there. But when legions of mysterious people appear, engulfed in strange blue light, bearing deep wounds of both mind and body, strange things begin to happen, and a darkness unlike any other awakens. 3U
Monster Hunter - Rated: T - English - Adventure/Humor - Chapters: 53 - Words: 1,188,911 - Reviews: 481 - Favs: 271 - Follows: 178 - Updated: 3/22/2014 - Published: 11/2/2010 - Complete
Peace and Isolation
by McKnight2012 reviews
An undead god in need of a new body. A super-soldier lost in space. A rag-tag team of heroes. What do they have in common? They all are on a planet called "Equestria", where there is no war. But, as each of them are retrieved, old enemies follow to unleash hell. Can our favorite ponies hold out against them? Crossover with WH40k, MLP, Halo and ME. First fanfic, R&R please.
Crossover - My Little Pony & Warhammer - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 115,414 - Reviews: 136 - Favs: 112 - Follows: 115 - Updated: 2/11/2014 - Published: 9/4/2012 - Princess Luna/Nightmare Moon, The Emperor
The Orks of Tam'urt
by Hidden Ninja Socks reviews
Four Orks leave their town to join up with their clans for yet another waagh! The only problem is getting there. Note: I take no responsibility for your loss of brain cells during the reading of this story or any warp holes appearing in your head! I also do not take responsibility for your skin turning green and any sudden appetite for fungus beer and squig pie.
Warhammer - Rated: T - English - Adventure/Humor - Chapters: 30 - Words: 138,248 - Reviews: 65 - Favs: 46 - Follows: 31 - Updated: 2/8/2014 - Published: 6/18/2008 - Orks, Imperial Guard
Red Faction Effect
by guerilla sam reviews
The RF now prosperous lives in uneasy peace with the Systems Alliance, but can they stand up an alien threat from above? Well a certain Red faction Commando thinks they can. They will fight the Turians, the Quarians and just about anything else that ends up on the business end of their guns
Crossover - Red Faction & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 21,550 - Reviews: 70 - Favs: 114 - Follows: 148 - Updated: 1/7/2014 - Published: 7/22/2012
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: 280 - Favs: 522 - Follows: 587 - Updated: 1/4/2014 - Published: 9/19/2012
All I Ask
by Dash Driver reviews
2183 CE. For a young race from a little star system called Sol, the future is as bright as their star as they forge a future for themselves. A future that seems limitless. 164 AHL. The people from Hiigara have proven themselves. They have fought two galactic wars and won, bringing an oppressive empire crashing down and smashing aside another that sought to exterminate them.
Crossover - Homeworld & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 20 - Words: 77,329 - Reviews: 49 - Favs: 85 - Follows: 112 - Updated: 12/4/2013 - Published: 8/13/2013 - Shepard (F), Ashley W.
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: 239 - Favs: 162 - Follows: 145 - Updated: 11/30/2013 - Published: 6/23/2010 - James R., Kane
Alternate Humanity: The Lost Sol
by Orez Lanrete reviews
Based on the Vsauce youtube video "What if the Sun Disappeared?" This is what happens when the very thing that gives the Sol system its name disappears from Earth. Also a crossover with "Lost Planet" and the film, "The Core".
Crossover - Mass Effect & Lost Planet - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 5,061 - Reviews: 228 - Favs: 513 - Follows: 582 - Published: 11/16/2013
Maya and Zer0's Big Adventure With Commander Shepard
by Cat the Alien reviews
Like it says on the title; a very big Adventure in the ME2 world. Our Favorite Siren and Assassin had wind up in the Purgatory by crashing into it. Only to escape during a prison riot by taking Commander Shepard hostage when he meets Jack. Rated T for various things that includes Jack's potty mouth. Zer0 X Maya pairing. (Re-writing in progress)
Crossover - Mass Effect & Borderlands - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 9,213 - Reviews: 18 - Favs: 44 - Follows: 71 - Updated: 10/8/2013 - Published: 6/8/2013 - Shepard (M), Zer0, Maya
XCOM: Second Contact
by Agayek reviews
With the destruction of the Temple Ship humanity knew peace. XCOM never forgot their motto however, 'always vigilant, always reliable'
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 294,105 - Reviews: 1028 - Favs: 1,967 - Follows: 2,038 - Updated: 9/15/2013 - Published: 1/1/2013
A Long Way From Home
by Darth Malleus reviews
A fleet of Alliance ships find themselves in the centre of a hornets' nest. Lost and alone in the middle of hostile territory with nowhere to turn will they survive or perish?
Crossover - Star Wars & Warhammer - Rated: T - English - Sci-Fi/Drama - Chapters: 27 - Words: 165,367 - Reviews: 813 - Favs: 429 - Follows: 385 - Updated: 8/20/2013 - Published: 9/16/2010
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: 220 - Favs: 273 - Follows: 353 - Updated: 5/11/2013 - Published: 9/3/2012
Asura's Wrath Reborn
by Da-Awesom-One reviews
Asura lives peacefully in New York, with his wife and daughter. However, when a conflict arises over a mysterious box, his family is caught in the middle of it. Unable to withstand the tyranny, Asura feels an anger that is both foreign and familiar. Asura's wrath has been reborn. X-Over with Street Fighter X Tekken. RxR
Asura's Wrath - Rated: T - English - Adventure/Family - Chapters: 3 - Words: 24,034 - Reviews: 59 - Favs: 79 - Follows: 77 - Updated: 5/5/2013 - Published: 8/6/2012 - Asura, Yasha
The End of Time
by Metal4k reviews
The Flood, the worst threat any civilization has ever faced, has returned. With their galaxies destroyed, Commander Shepard and John 117, find themselves in a galaxy far far away. Will the Republic believe these new comers? Can they unite before its to late? As the Universe's secrets unfold, the Flood is revealed to be worse than anyone ever imagined...
Crossover - Mass Effect & Halo - Rated: T - English - Horror/Sci-Fi - Chapters: 6 - Words: 36,536 - Reviews: 58 - Favs: 54 - Follows: 67 - Updated: 4/23/2013 - Published: 11/25/2012
Best of Spartans and Spectres
by Ordo Warrior reviews
With the Fall of Reach nearly complete, the Covenant sends it full might to eliminate one Spartan. With a little of John-117's luck rubbing off to another hyper-leathal soldier, she finds a new fate awaiting her beyond Reach.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 44 - Words: 147,327 - Reviews: 206 - Favs: 237 - Follows: 238 - Updated: 4/7/2013 - Published: 1/6/2012 - SPARTAN-B312/Noble Six, Shepard (F) - Complete
Flames of War
by ICHeart reviews
The USF...founded in the ashes of the Great War has spent years rebuilding. They are inheritors of the Forerunners and are ready to take hold of the Mantel...but first they have to deal with another Galactic Superpower. However, dark forces gather as these two groups fight to gain control of the Galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 33,471 - Reviews: 217 - Favs: 397 - Follows: 466 - Updated: 3/2/2013 - Published: 11/19/2012 - Master Chief/John-117, Shepard (M)
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: 972 - Favs: 738 - Follows: 531 - Updated: 2/15/2013 - Published: 8/18/2012 - Complete
00 Frozen Teardrops
by Aldaeus reviews
A cold war is about to heat up at the hands of Celestial Being, the Preventers find themselves heading to a new battlefield to face a new enemy. Will hell freeze over as frozen teardrops drift through space? Sequel to: Waltzing with Destiny
Crossover - Gundam Wing/AC & Gundam 00 - Rated: T - English - Sci-Fi/Parody - Chapters: 36 - Words: 668,090 - Reviews: 272 - Favs: 128 - Follows: 68 - Updated: 1/26/2013 - Published: 7/14/2011 - Complete
Wrath: The Seven Warriors
by mastergamer14 reviews
The story of Asura's Wrath changes. Asura appears with seven new allies. These allies have power that equals that of the eight deities. Also, Deus plan has an unexpected twist that even the other deities don't know of. How will this end. X-over with seven other franchises.
Asura's Wrath - Rated: T - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 10,931 - Reviews: 33 - Favs: 38 - Follows: 34 - Updated: 12/24/2012 - Published: 7/26/2012
When There Was a Tomorrow
by General Rage reviews
Do you remember when there was a tommorow? Commander Wade Shepard does, but with a Reaper threat looming he's not sure there is one anymore. And he's about to discover that his universe may not be the only one where mankind faces extinction. M for B&V
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 25 - Words: 630,924 - Reviews: 562 - Favs: 701 - Follows: 498 - Updated: 7/31/2012 - Published: 4/13/2011 - SPARTAN-B312/Noble Six, Shepard (M) - Complete
Overlord Excursion: The Brith of the Oververse
by Commissar Danno reviews
To describe the Old World is to describe madness... adding an crazy Overlord to this land is not going to make it better... or is it? No actually it isn't. Discontinued
Crossover - Warhammer & Overlord - Rated: M - English - Humor/Fantasy - Chapters: 2 - Words: 5,376 - Reviews: 7 - Favs: 17 - Follows: 24 - Updated: 7/14/2012 - Published: 7/27/2011
Overlord of Souls
by Omega Overlord reviews
At the apex of his power, the Overlord is sadly lacking in new lands to conquer. A chance accident with the Tower Heart gives him that, and just maybe the path to an even greater power, Soul Edge. Eventual Overlord/harem.
Crossover - Soul Calibur & Overlord - Rated: T - English - Fantasy/Adventure - Chapters: 16 - Words: 112,736 - Reviews: 99 - Favs: 323 - Follows: 170 - Updated: 2/14/2012 - Published: 5/26/2011 - Complete
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: 135 - Favs: 412 - Follows: 445 - Updated: 10/6/2011 - Published: 8/13/2011 - Master Chief/John-117, Shepard (M)
Outlaw star:the hunt for Riddick
by the toltec reviews
outlaw star/chronicles of Riddick crossover. Gene Starwind and the crew of the outlaw star have been on many adventures & collected many bountys. but they face there biggest challenge yet as they go after the most dangerous man in the Universe Riddick.
Crossover - Pitch Black / Riddick & Outlaw Star - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 5,842 - Reviews: 6 - Favs: 14 - Follows: 8 - Updated: 4/29/2011 - Published: 4/27/2010 - Riddick, Gene S.
Ace Combat Star Dust
by cHr0n0sPh3r3 reviews
AU. Mass effect was a leap forward for mankind, some people decided to take the long way. But they've reached a hostile galaxy, they must carve their own existence no matter the cost.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 2,397 - Reviews: 6 - Favs: 16 - Follows: 11 - Published: 12/31/2010
Fighting for a Purpose V2
by erttheking reviews
While on a deep space mission, a CCS- battlecruiser is shot down by the CIS. The battle fought by the surviors is brutal, but it is only a glimpse of what is to come. Ahsoka/OC AU post Halo 3 pre Revenge of the Sith
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Romance - Chapters: 61 - Words: 151,500 - Reviews: 996 - Favs: 593 - Follows: 321 - Updated: 12/18/2010 - Published: 4/4/2010 - Ahsoka T. - Complete
X-Com Into Shadows reviews
Just a small crossover I was playing with and wanted to see what happens. I may add stuff from Xcom 2 just to make things interesting. I do not own Mass effect, or Xcom. If I did I would have made it so a Viper could be the commander waifu.
Crossover - X-Com & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 9,802 - Reviews: 7 - Favs: 10 - Follows: 16 - Updated: 5/21 - Published: 8/30/2015