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A Change in the Game by ShadowofHawk55 reviews
John Shepard has saved the galaxy on three occasions and finally reached a stable point in his life. Now he and his crew are stranded in a strange, and very dangerous, world. How will this change the Song of Ice and Fire?
Crossover - Mass Effect & Game of Thrones - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 17,928 - Reviews: 57 - Favs: 63 - Follows: 98 - Updated: 5/1 - Published: 1/28
A Metal Guardian by JawsOnYou67 reviews
The Universal Century, only a few short years ago humanity nearly eradicated itself to the tune of a madman, now it spreads, free of most of its old hatred. Yet the galaxy won't let them rest. Terminal prepares the twin Queens as best it can. (Gundam x Mass Effect)
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 4 - Words: 92,117 - Reviews: 69 - Favs: 173 - Follows: 209 - Updated: 4/30 - Published: 8/18/2020 - Amuro R., Char A., Tali'Zorah, Admiral Hackett
Exciting Opportunities by Of Questionable Veracity reviews
In an unexpected and highly unlikely turn of events, a catastrophic warp breach from a crippled ship manages to fling a Rogue Trader - or rather, the youngest son of a Rogue Trader - through time and space to a universe quite unlike what anyone on-board in used to. They make the best of the situation.
Crossover - Warhammer & Mass Effect - Rated: K+ - English - Chapters: 28 - Words: 142,552 - Reviews: 374 - Favs: 480 - Follows: 680 - Updated: 4/30 - Published: 4/15/2019 - J. Garson
Imperial Insertion V3 by bmanbeast57 reviews
My life sucked Lost my job girlfriend cheats on me but now I find myself in the ME universe with a fleet of star wars ships and looking like Darth Vader hmm guess the ROB was right it's going to be a hell of a ride plus fucking with the cannon will be fun too. I only hope there are no surprises.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,961 - Reviews: 5 - Favs: 104 - Follows: 132 - Published: 4/29 - OC
Imperial Insertion V2 by bmanbeast57 reviews
My life sucked Lost my job girl friend cheats on me but know i find myself in the ME universe with a fleet of star wars ships and looking like Darth Vader hmm guess the ROB was right it's going to be a hell of a ride plus fucking with the cannon will be fun to.
Crossover - Star Wars & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 17,989 - Reviews: 71 - Favs: 283 - Follows: 338 - Updated: 4/29 - Published: 8/1/2018 - OC, J. Garson, Shepard, OC
The silver eyed agent by stefaniuss reviews
Even the smallest pebble can produce an avalanche, something that a out of his luck smuggler is about to find out. This is the story of Lena, silver eyed warrior of the latest generation forced to fight against an enemy far stronger than any yoma, but at the same time so familiar. Will she survive?
Crossover - Claymore & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 38 - Words: 273,076 - Reviews: 34 - Favs: 92 - Follows: 107 - Updated: 4/29 - Published: 1/4/2018 - [OC, Kelly C.] Mordin S., Shepard
Siblings of Metal by Tyara Laedros reviews
Everyone know the story of Harry Potter and his friends. But how many of you know the story of the Siblings of Metal ? No history book ever mentionned them. They are the forgotten names. The unknown heroes... John Shepard was a Slytherin, joining Hogwarts the same year Potter did. And he has a story for you... HP x Mass Effect Crossover
Crossover - Harry Potter & Mass Effect - Rated: T - English - Adventure/Friendship - Chapters: 26 - Words: 107,288 - Reviews: 9 - Favs: 31 - Follows: 42 - Updated: 4/29 - Published: 8/8/2019 - Ashley W., Kaidan A., Miranda L., Shepard
Starwatch by CruxMDQ reviews
A youthful lieutenant Shepard unknowingly facilitates the release of an ancient evil and sets in motion a chain of events that will greatly influence the outcome of the first contact with Citadel species - and potentially threaten the standing of humanity among them. (Contributions: BrokenLifeCycle, kishinokurobi, kyro2009)
Crossover - Mass Effect & Overwatch - Rated: T - English - Adventure/Sci-Fi - Chapters: 53 - Words: 291,264 - Reviews: 147 - Favs: 259 - Follows: 325 - Updated: 4/28 - Published: 6/29/2016 - Shepard, Amélie L./Widowmaker, Lena O./Tracer, G. Reyes/Reaper
The Reclamation by Fade Maybe reviews
A UNSC cruiser activates a dormant Relay, forcing the politically divided UNSC into a new war against the Reaper menace. This time Humanity will not stand alone. Now surrounded by diplomatic adversaries and renegade rivals and contenders, Humanity will face a new set of challenges unlike anything it has seen before. The Reclamation has already begun, and we are hopeless to stop it.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 47 - Words: 359,778 - Reviews: 1488 - Favs: 1,525 - Follows: 1,922 - Updated: 4/28 - Published: 3/13/2013
Mass Effect: Wayward Souls by ChroniclerofChaos07 reviews
No one knew what would really happen when the slipspace bomb detonates. All they know is that whatever gets caught in it would be sent to "oblivion". No one expected what would happen when you mess with the 11 dimensions of splipspace. Now Noble Six faces a new galaxy along side two other "Six's", three Jorge's, a surviving team of ODSTs, and the sole survivor of The Savannah.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 18,890 - Reviews: 35 - Favs: 137 - Follows: 203 - Updated: 4/27 - Published: 3/17 - Jorge-052/Noble Five, SPARTAN-B312/Noble Six, Shepard
The Rise of the Enclave by 6-4 pilot reviews
Stuck in a more peaceful galaxy, the Tau of the Farsight Enclave must still prepare themselves for war against the forces that conspire to destroy it. But as they fight for their existence, elements from their old home come to strengthen their power in said old home.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 67,567 - Reviews: 63 - Favs: 183 - Follows: 224 - Updated: 4/27 - Published: 4/20/2020 - Chaos Space Marines, Tau, Legion, Shepard
Those Who Favor Fire by The.A.I.1502 reviews
In a universe reeling from the Blip, Isabelle Collins is shattered by her brother's death. But humanity's intent on colonizing the stars reveals an undeniable truth - Thanos was the harbinger of something much worse. Isabelle must peel back the layers of her new reality, because this time, the stakes are much higher than half of all life.
Crossover - Marvel & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 22 - Words: 181,400 - Reviews: 15 - Favs: 29 - Follows: 43 - Updated: 4/26 - Published: 6/1/2020 - OC, P. Coulson, Harbinger, Shepard
Infimus by smart grid reviews
What if the Council had stumbled upon a different humanity? A human race with no less heart nor courage, but ground down through years of war? A humanity in collapse, a civilization decimated, barely standing upon their own two feet; a very different humanity than the one which fought the Hierarchy to a draw. What happens then? A Gears of War/Mass Effect Fusion fic.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 26,206 - Reviews: 78 - Favs: 307 - Follows: 412 - Updated: 4/26 - Published: 1/19/2020 - Shepard
To The Green Fields Beyond by David Falkayn reviews
Part of my "Raptorverse", although the crossover will not occur for some time. Also, my reimagining of the Andromeda story. Hope you all like it. Rated M for mature language and situations.
Crossover - Mass Effect & Star Trek Online - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 18,189 - Reviews: 1 - Favs: 9 - Follows: 12 - Updated: 4/26 - Published: 3/22
Adeptum Effectus by Reddevel360 reviews
"Killing a man will harden you. Fighting a war against genocide will harden a species. Why are we so ruthless Councilor? Because when fighting for your very existence, anything is acceptable." - Lord Hood. Featuring a Humanity that discovered the archives on Mars in the midst of fighting an war for their very survival, a war that destined to be a massacre turns into a stalemate.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Tragedy - Chapters: 10 - Words: 66,982 - Reviews: 510 - Favs: 1,797 - Follows: 2,501 - Updated: 4/25 - Published: 5/10/2019 - Master Chief/John-117, T. Hood, J. Garson, Admiral Hackett
Red Effect by goofyfootboarder reviews
When the Normandy crash-lands on an unknown planet after the activation of Crucible, the Normandy's crew finds out they're not alone... Setting: Post Destroy-ending Mass Effect 3/Between Seasons 10 & 11
Crossover - Mass Effect & Red vs. Blue - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 61,755 - Reviews: 56 - Favs: 107 - Follows: 155 - Updated: 4/25 - Published: 11/17/2014 - Garrus V., Joker, Epsilon, Wash
The Eternal Lord 40k - ME by HellFox83 reviews
A battle against the forces of Chaos strands a Necron lord in the galaxy of Mass Effect. With what's left of his dynasty under his banner, Veronakh Lord of Solvatakh intends to lead his people to glorious conquest. Can Commander Shepard stop the Collectors and curtail the ambitions of the Necrons?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 13 - Words: 96,405 - Reviews: 63 - Favs: 214 - Follows: 305 - Updated: 4/24 - Published: 6/13/2020 - Necrons, Shepard
Effects of a Titan by greeneman42 reviews
A small salvage ship comes across an interesting find while searching. Set before Halo 4 and before ME 2
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 31 - Words: 226,020 - Reviews: 1041 - Favs: 1,828 - Follows: 2,414 - Updated: 4/24 - Published: 11/26/2013 - Master Chief/John-117, Cortana, J. Garson
Kerberos by timedraven117 reviews
Commissioned: The Green Flu struck earth like a meteor, in its clutches billions died, and a new world emerged. Now it is the year 2156 and that which has been dreaded by humanity ever since the truth of the Green Flu has come to pass. First Contact.
Crossover - Mass Effect & Left 4 Dead - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 15,374 - Reviews: 6 - Favs: 44 - Follows: 76 - Published: 4/23 - Illusive Man, Shepard
Star-Bound by The Incredible Muffin reviews
Some destinies are written out centuries, or even millennia, ahead of time. However, when destiny is derailed, new plans have to be implemented. Sometimes, that involves ripping someone away from the peaceful end they seek and thrusting them into a tide of never-ending war in order to fix what can never be repaired.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 26 - Words: 169,343 - Reviews: 729 - Favs: 997 - Follows: 1,251 - Updated: 4/23 - Published: 5/29/2019
Heroes UNITE! by So-Pro Warrior reviews
Commander Shepard and his team have gathered together the races of their Galaxy in an effort to defeat the Reapers. But is it enough? When the team comes across a strange woman they find out that if they are to truly defeat the Reapers once and for all. They will need all the help they can get. But not from their Universe. Multiverse Crossover! Chapters 6-22 Being Rewritten!
Crossover - Mass Effect & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 46 - Words: 1,373,225 - Reviews: 823 - Favs: 338 - Follows: 333 - Updated: 4/23 - Published: 6/21/2013 - Master Chief/John-117, Shepard
Vader's Crusade by Edward M. Keller reviews
The Empire has found a disturbing foe lurking beyond the Unknown Regions. They do not know where it came from but as a threat, it is only natural they will send their most terrifying enforcer along with the most terrifying fleet the galaxy has ever seen, even if it leads beyond the galaxy itself. Crossposted at AO3
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 1 - Words: 5,411 - Reviews: 15 - Favs: 81 - Follows: 102 - Published: 4/22 - Darth Vader, F. Piett, Illusive Man, Shepard
The Lion & The Crow by Piper Squeaks reviews
When the Normandy escaped the Collector Ship, Shepard never dreamed he'd stumble upon the find of a century. He never imagined he'd discover a creature unlike any other. He never knew the greatest weapon against the Reapers would be a Crow Feather. This crossover will feature Karasuba prominently. All nine chapters have been revised. Chapter 10 coming soon...
Crossover - Mass Effect & Sekirei - Rated: M - English - Sci-Fi/Angst - Chapters: 10 - Words: 69,492 - Reviews: 63 - Favs: 294 - Follows: 353 - Updated: 4/22 - Published: 7/10/2014 - Garrus V., Liara T'Soni, Shepard, No. 04/Karasuba
Remnants by General Rage reviews
From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 31 - Words: 690,199 - Reviews: 668 - Favs: 379 - Follows: 429 - Updated: 4/21 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
My version of humanity by Andilentuntu reviews
Humanity is a species that has fallen from the stars. It now reclaim that which it forgot since ancient times. The Reapers are young in comparison with humanities true age the shadows cower at the power that humanity has the potential to wield. The greatest enemy is the one hidden within.
Crossover - Babylon 5 & Mass Effect - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 40,457 - Reviews: 19 - Favs: 35 - Follows: 43 - Updated: 4/20 - Published: 12/26/2020
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