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Bad Things Come in Twos by bullethead reviews
50,000 years ago, the Protheans & Reapers annihilated each other. Now, in 323 Post Disaster, a group of alien explorers cross paths with Tekkadan at Saisei. Now Tekkadan and Teiwaz are playing a high stakes game, with the fate of humanity in the balance. AU for Mass Effect, AU for IBO after Episode 9.
Crossover - Mass Effect & Mobile Suit Gundam: Iron-Blooded Orphans - Rated: T - English - Sci-Fi/Drama - Chapters: 15 - Words: 46,665 - Reviews: 24 - Favs: 106 - Follows: 121 - Updated: 6h - Published: 12/12/2016
Death is only yesterday by megacoldfusion reviews
How did James Bond get his powers, how did he become the secret leader of the Alliance known only as the Commodore. He tells his story in the middle of the Reaper crisis.
Crossover - James Bond & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 8,523 - Reviews: 10 - Favs: 6 - Follows: 8 - Updated: 6h - Published: 2/14 - James Bond/007, Shepard (M)
The Reclamation has already begun by Fade Maybe reviews
The Master Chief has defeated the Didact. Across the galaxy, the Reaper War wages on as the Citadel races struggle to survive while Commander Shepard and the crew of the SSV Normandy fights on. But a deeply divided UNSC discovers a Mass Relay that will change the course of the war and galactic history forever. The Reclamation has already begun. And we are hopeless to stop it.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 24 - Words: 253,878 - Reviews: 749 - Favs: 836 - Follows: 1,083 - Updated: 8h - Published: 3/13/2013
Vanguards of the Shinobi by NeonZangetsu reviews
The shinobi race was decimated by the reapers. Their people indoctrinated, harvested, slaughtered without mercy. But not all perished during the harvest. Some survived. Now a cache of alien technology has been discovered upon their world. Secrets abound and much more, the Vanguard of a race thought long since extinct. Will they survive the next cycle? NarutoxAshley. REWRITTEN!
Crossover - Naruto & Mass Effect - Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 8,188 - Reviews: 21 - Favs: 66 - Follows: 103 - Published: 11h - Naruto U., Ashley W.
Element Halo by Iron Warriors reviews
When shots are fired between the U.N.S.C. and a new unidentified alien faction. Who, will survive? Find out for yourself here. This story is denying Halo 5's existence because we all know why. Rated M when the Reaper war comes full circle.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 11,703 - Reviews: 58 - Favs: 120 - Follows: 202 - Updated: 2/23 - Published: 12/11/2017 - OC
Transported worlds by Anonir samle reviews
The Citadel council races homeworlds get transported to the Star Trek universe.
Crossover - StarTrek: Other & Mass Effect - Rated: K - English - Adventure/Sci-Fi - Chapters: 1 - Words: 788 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 2/23 - Liara T'Soni, Councilor Valern, Councilor Tevos, Councilor Sparatus
Daughter of the Emperor by Leona-do reviews
When Shepard was born, she was named Shepard for a reason. She was to be a Shepard of mankind. Guide and protector of mankind. Suddenly awake after centuries of sleep, she set forth to continue her existence. The Imperium of Man would changed by her work through the Words of Truth and the Shepardians. The Second Great Crusade would begin in a region of space known as Citadel...
Crossover - Warhammer & Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 2,106 - Reviews: 12 - Favs: 31 - Follows: 47 - Published: 2/22 - Shepard (F)
The Forgotten Legend by The one and only dragonborn reviews
unbeknowst to the council events have been put in motion that will change the fate of the universe he returns the listener, the vampire lord but most importantly hero of old son of akatosh he is the last dragonborn and with him his last friend the daughter of coldharbour serana.
Crossover - Elder Scroll series & Mass Effect - Rated: K - English - Fantasy/Sci-Fi - Chapters: 1 - Words: 1,297 - Reviews: 2 - Favs: 3 - Follows: 7 - Published: 2/22
doki doki empire lab by gentlemen genocide machine
it's a new day as the literature club once again spends it's days as usual,but the vice President sayori gets her childhood friend to Join. but Monika doesn't remember them being IN the game
Crossover - Mass Effect & Doki Doki Literature Club - Rated: T - English - Sci-Fi/Parody - Chapters: 1 - Words: 252 - Published: 2/21
EVE Online: First Contact by Anhilliator1 reviews
The people of New Eden. One might wonder just how strong they are. Their strength will be tested, however, when they discover the Turians, and with it, a universe of hostility.
Crossover - Mass Effect & EVE Online - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 904 - Reviews: 6 - Favs: 15 - Follows: 24 - Published: 2/20
Mending a Commander's Heart by Hulkfan96
When Jacob cheats on Jane Shepard and doesn't take her back, Miranda Lawson comforts her while Hulk gives Jacob what he deserves. Later, Hulk spends some time with Sara Ryder and Peebee.
Crossover - Mass Effect & Avengers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 3 - Words: 1,725 - Updated: 2/19 - Published: 2/17
Gravity by DONOVAN94 reviews
Elaine Cousland's duty is done: the Archdemon is dead. Where she once thought to join her family at the Maker's side, instead she awakes on a strange world. Here, an evil both new and familiar has come, and as a Warden it is her responsibility to vanquish it. At any cost. She will join the strange ship that sails the stars, the Normandy, and defeat the Collectors. Once and for all.
Crossover - Mass Effect & Dragon Age - Rated: T - English - Adventure/Romance - Chapters: 23 - Words: 161,979 - Reviews: 189 - Favs: 160 - Follows: 238 - Updated: 2/19 - Published: 8/15/2017 - [Garrus V., Cousland] Tali'Zorah, Shepard (M)
The Saddest Are These by Celtic Knot reviews
"It might have been." ME3/ST:DS9 crossover. The Normandy crew find themselves two hundred years in a future where the Reapers do not exist, but it's out of one frying pan and into another fire. Rating subject to change with subsequent chapters.
Crossover - StarTrek: Deep Space Nine & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 4,043 - Reviews: 12 - Favs: 35 - Follows: 44 - Updated: 2/18 - Published: 10/21/2016 - [Shepard (F), Garrus V.] Jadzia D., B. Sisko
Whispers of Darkness by Darthkvzn reviews
Billions have died, but their sacrifices have brought the known races of the galaxy freedom. Their destiny is theirs to command, and peace, albeit a somber one, reigns unchallenged. The cosmos is full of constants, however, and death is the most prominent of them all. *Set after ME3 and LotV, spoilers* (MULTICROSSOVER WITH HALO)
Crossover - StarCraft & Mass Effect - Rated: T - English - Chapters: 24 - Words: 57,929 - Reviews: 210 - Favs: 232 - Follows: 306 - Updated: 2/17 - Published: 12/7/2015
Going Home by stonethatfellfromtheskyandflew
A crazy story crossed over with a bunch of universes. Joe just wants to go home after a crazy day at school or something, but things are never that simple. Ever.
Crossover - Hardy Boys/Nancy Drew & Mass Effect - Rated: K+ - English - Humor/Adventure - Chapters: 1 - Words: 2,912 - Published: 2/17 - Complete
MASS EFFECT: UN CONFLICTO DIFERENTE by Donjuan1996 reviews
La RNC ahora controla el mundo después de los conflictos con la legión .En un futuro en el que los sucesos contra el instituto y la hermandad del acero afectan gravemente el futuro de la humanida. Miren como una verdad lleva a los humanos a uno de los mayores conflictos a la galaxia y como el pasado los golpea . POR QUE LA GUERRA, LA GUERRA NO CAMBIA NUNCA. SHEPARD(M) / TALI
Crossover - Fallout & Mass Effect - Rated: T - Spanish - Sci-Fi/Romance - Chapters: 22 - Words: 93,051 - Reviews: 14 - Favs: 7 - Follows: 7 - Updated: 2/17 - Published: 12/16/2016 - [Shepard (M), Tali'Zorah] Caesar
Overlord Effect by oblivon2991 reviews
With the arrival of the Shinigami and his enforcer came hardship. With hardship came equality. With careful planning came advancement. With advancement, the civilization thrived. And when a fantasy based civilization met an another one? What's then? What happens when the Sorcerer Kingdom met the galactic community? The Reapers? (AU with a lot of OC'S! Beware! XD)
Crossover - Mass Effect & Overlord/オーバーロード - Rated: T - English - Sci-Fi/Fantasy - Chapters: 10 - Words: 155,185 - Reviews: 263 - Favs: 498 - Follows: 586 - Updated: 2/17 - Published: 3/21/2017
The Fourth Galactic Power: Milky Way on Fire by The Real BONK'er reviews
(Sequel to the first Fourth Galactic Power) A year after the destruction of the Collector Base the Reapers arrive at the Milky Way. All races are trying to survive the pressure from their synthetic foes. Carvins, who joined the Council races just a year ago are now facing extinction once again. But what will it take for the Reapers to defeat a race that doesn't use the Mass Relays?
Crossover - Mass Effect & Spore - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,662 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 2/17 - [Shepard (M), Liara T'Soni] Garrus V., OC
In Perfect Harmony II by Precursor1 reviews
Liera, Jack, and the rest of Planet Harmony's inhabitants must learn how to coexist with their newest resident: A Remnant Architect named Tiny. [Collection of one shots; Collaborative work with MjrGenMatt; Inspired by the story, "Of Steel and Stardust."]
Crossover - Mass Effect & Titanfall - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 5,335 - Reviews: 2 - Favs: 1 - Follows: 2 - Updated: 2/16 - Published: 2/10 - OC, Jack C., BT-7274, Sarah B.
The Warhammer Effect: Collateral Misfortunes by BKGeno reviews
In the future, where there is only war, sometimes desperate measures must be taken to secure the survival of a few. But when that measure leads to a place far different from what they know, can the Eldar adapt to a new reality, where there is more than only war? Also, what is a monkey? Picture by timokujansuu on Deviantart; Updates every other week on Friday at least.
Crossover - Warhammer & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 20 - Words: 141,440 - Reviews: 152 - Favs: 230 - Follows: 347 - Updated: 2/16 - Published: 9/9/2017 - Eldar, Shepard (F)
The Spiral Theory by Kuragari no Oshiego reviews
The young warrior Kamina is mortally wounded during his greatest battle ever. A horrified Simon uses to the power of the spiral to fling Kamina into the distant future, where he can be saved. Kamina ends up on Cronos Station, where a certain organization is pouring all their money and efforts into resurrecting the hero of the Citadel.
Crossover - Mass Effect & Gurren Lagann - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 54,938 - Reviews: 20 - Favs: 56 - Follows: 85 - Updated: 2/15 - Published: 6/28/2016 - Shepard (F), Kamina
Misplaced by Deus Swiftblade reviews
When the seal broke and he opened his eyes, he had hoped to see his friends standing around him, welcoming him back to life. But now he's in a different time and all of his friends have long since passed away. Now the only thing he can do is put what he has been trained to be to good use and serve the galaxy from the shadows.
Crossover - Naruto & Mass Effect - Rated: T - English - Adventure - Chapters: 72 - Words: 1,079,817 - Reviews: 2316 - Favs: 3,002 - Follows: 3,199 - Updated: 2/15 - Published: 8/25/2013 - Naruto U.
эффект призрака by dsedghjjjytrddfff reviews
7 февраля. 2018
Crossover - Ghost Busters (Real/Extreme) & Mass Effect - Rated: K - Russian - Humor/Romance - Chapters: 3 - Words: 434 - Reviews: 1 - Updated: 2/15 - Published: 2/5 - Peter V., Ashley W.
The Song of StormBreaker by Neutral-Man
ONE SHOT: when reality breaks a version of Beta Ray Bill slips though the cracks into a new universe. It is the reaper wars Darkest hour. Can Bill Prevail?
Crossover - Marvel & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 3,948 - Published: 2/15
A Decidedly Unlikely Adventure by Wom1 reviews
What happens when three 'heroes' get dumped in an unfamiliar galaxy with only an inkling as to how? Why you get a decidedly odd adventure of course! Set in ME1 and before Gathering Storm.
Crossover - Warhammer & Mass Effect - Rated: T - English - Chapters: 1 - Words: 697 - Reviews: 11 - Favs: 5 - Follows: 9 - Published: 2/14
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