825Semper Vigilo » by CunkToad Due to a drive core malfunction, a human vessel arrives just in time to save the Council Envoy from the yahg. What happens when humanity enters the galactic stage not as the race that got attacked by the turians for breaking a law they weren't aware of, but as the race that saved a turian platoon from certain death? M for wartime violence, pre ME1 - ME3, no OP humanity.
Mass Effect, M, English, Sci-Fi, chapters: 109, words: 1264k+, favs: 1k+, follows: 1k+, updated: 7/22 published: 11/27/2016
1k+ The Reclamation » by Fade Maybe 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.
Halo & Mass Effect, T, English, Adventure & Sci-Fi, chapters: 48, words: 367k+, favs: 1k+, follows: 1k+, updated: 7/21 published: 3/13/2013
2k+ Enduring the Flames of War » by Masterdude21 A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Halo & Mass Effect, M, English, Sci-Fi & Horror, chapters: 40, words: 568k+, favs: 3k+, follows: 3k+, updated: 7/18 published: 11/30/2015, Master Chief/John-117, OC, Shepard
293Generation STRQ watches the Future » by Sondow23 Team STRQ and others have been pulled into a strange place, they are going to see how the future unfolds, so that they may change it.
RWBY, T, English, chapters: 13, words: 45k+, favs: 1k+, follows: 1k+, updated: 7/13 published: 6/13/2017, Summer R., Team STRQ
740 Ruby-B312 » by GreenTheRyno Reach has fallen, and Noble Team along with it. Standing alone, Noble Six fights like a woman possessed, but even her unique superpowers cannot turn the tide against an enemy who has no interest in fighting fair. Little does she know, her death is only the beginning of her journey - one that will teach this Lone Wolf the strength of her pack.
Halo & RWBY, M, English, Adventure & Sci-Fi, chapters: 45, words: 351k+, favs: 1k+, follows: 1k+, updated: 7/12 published: 8/15/2018, SPARTAN-B312/Noble Six, Ruby R., Winter S., Team RWBY
1k+ Of Elder Scrolls and Huntsmen: Dragon Rose » by JessesanMan Team RWBY finds themselves in a strange, new world where Grimm are nonexistent and magic is commonplace. They journey to find a way home, but along the way are caught up in several ancient prophecies and must save this world they find themselves in. As time goes on, they adapt to the dangerous land of Skyrim and fight against its foes be they small, large, or godly.
Elder Scroll series & RWBY, T, English, Adventure, chapters: 91, words: 994k+, favs: 1k+, follows: 1k+, updated: 7/9 published: 2/5/2018, Team RWBY
234The Obsolete Protector » by M10m gas mask soldier Upon being revived 10 years after being murdered by Sofia, Subject Delta has to fight his way back to his beloved master Eleanor. However, he is not alone. Upon being reunited, the two Alpha Series Big Daddies must get to their captured daughters before it is too late. Meanwhile, Eleanor wishes for Delta to be more than her father. Burial at Sea connections. AU BioShock 2.
BioShock, M, English, Horror & Hurt/Comfort, chapters: 32, words: 292k+, favs: 489, follows: 480, updated: 7/5 published: 7/5/2014, [Delta, Eleanor L.] Big Daddy, B. Tenenbaum
1k+OSaBC II : That Which Cannot Die » by LogicalPremise My AU retelling of the events in ME2, with a completely new take on Cerberus, the Shadow Broker, and the Collectors. Examines the themes of what exactly constitutes death and life, the line between revenge and self-hatred, and how small amounts of light can shine in every darkness. Not a happy ending. Includes my takes on Overlord and LotSB. Rated M for language and violence.
Mass Effect, M, English, Sci-Fi & Tragedy, chapters: 58, words: 846k+, favs: 866, follows: 923, updated: 6/19 published: 4/11/2015, [Shepard, Liara T'Soni] Garrus V., Tali'Zorah
1k+ United we Stand » by Mayto At the height of the Human Covenant war, another galactic power intervenes to aid the embattled humans. Standing side by side with the Turians, the UNSC prepares for a new phase of the Human Covenant war.
Halo & Mass Effect, M, English, Sci-Fi, chapters: 86, words: 308k+, favs: 1k+, follows: 1k+, updated: 6/6 published: 3/26/2019
124 Legion of the Damned » by WelcomeToEstalia Commander Jane Shepard sacrificed her life on a gamble. After being absorbed by the light of the Crucible, she wakes up in a strange forest, greeted by a familiar face. Now trapped in the afterlife with warriors from across the dimensions, Shepard must face a new foe that threatens not only her galaxy, but the entire multiverse. Multi x-over with Halo, RWBY, Fallout, MGS, and more.
Star Wars & Mass Effect, T, English, Adventure & Sci-Fi, chapters: 36, words: 170k+, favs: 159, follows: 202, updated: 5/27 published: 8/17/2019, Sev, G. Marek/Starkiller, Thane K., Shepard
88 An Unexpected Voyage Part 1- Birthplace of Dragons » by Ordo Warrior It has been some time since the fall of Alduin, and yet the Dragonborn continued to journey across Skyrim driven by something, searching. But three unlikely Daedric Princes have come together and created other plans for her.
Elder Scroll series & Dragon Age, M, English, Adventure, chapters: 69, words: 226k+, favs: 238, follows: 279, updated: 5/9 published: 10/16/2014, Argonian
1k+ Effects of a Titan » by greeneman42 A small salvage ship comes across an interesting find while searching. Set before Halo 4 and before ME 2
Halo & Mass Effect, T, English, Adventure & Sci-Fi, chapters: 31, words: 226k+, favs: 1k+, follows: 2k+, updated: 4/24 published: 11/26/2013, Master Chief/John-117, Cortana, J. Garson
998 Empress Ascendant » by Unruly Marmite The Emperor wasn't sure how he ended up in a different universe, or what the parasite leeching off Humanity was. But he was the guardian of Mankind, and there was at least one person on this world worthy of taking up his mantle.
Warhammer & Worm, M, English, chapters: 23, words: 253k+, favs: 3k+, follows: 3k+, updated: 4/18 published: 5/12/2017, The Emperor, Skitter
680 Avatar of Victory » by James Golen The Cycle of the Avatar has held for thousands of years. Other Cycles can stretch far, far longer. An A:tLA/Mass Effect Cross-Over
Avatar: Last Airbender & Mass Effect, T, English, Sci-Fi, chapters: 85, words: 1937k+, favs: 792, follows: 722, updated: 4/14 published: 5/8/2012
3k+ From the Ashes » by erttheking 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?
Fallout & Mass Effect, T, English, Sci-Fi & Romance, chapters: 119, words: 922k+, favs: 3k+, follows: 2k+, updated: 4/13 published: 5/17/2012
30 BioTitans » by LuisJM After surviving a freak thunder storm, the Titans detected a distress signal at the bottom of the Atlantic Ocean. When they got down there, they weren't expecting an underwater utopia filled with insane citizens, big metal monsters, and a ruling dictator. Will they be able to find a way out of this nightmare with the help of some unlikely alliances? (TT/Bioshock X-Over)
Teen Titans & BioShock, M, English, Adventure & Horror, chapters: 25, words: 429k+, favs: 70, follows: 66, updated: 4/9 published: 9/14/2015
3k+ To Infinity » by creamofwheat2311 After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 53, words: 473k+, favs: 5k+, follows: 6k+, updated: 3/30 published: 10/9/2013, Master Chief/John-117, Arbiter, T. Lasky, Shepard
723 War, Peace, and other Galactic Customs » by The Almighty Afroduck After a long, terrible war, the Federation of Sovereign Empires forms as the product of the alliance created early in the Great War between the Covenant Separatists and the UNSC. Time passes as they progress greatly, eventually discovering the existence of other galactic governments. The events that will follow will change the course of the galaxy in more ways than one. PART- 3
Halo & Mass Effect, M, English, Sci-Fi & Adventure, chapters: 36, words: 402k+, favs: 1k+, follows: 1k+, updated: 3/7 published: 3/1/2014
155 Rose of the Stars (DIS) » by DisgruntledJaeger (Discontinued. See Crimson Incandescence.)
Mass Effect & RWBY, T, English, Adventure & Sci-Fi, chapters: 15, words: 51k+, favs: 333, follows: 462, updated: 3/5 published: 6/30/2017
231 Of Fade Rifts and Oblivion Gates » by natashaheisenburg The Oblivion Crisis has been over for 2 years, but its aftermath has left Talia Indoril a mere shadow of her former self. As she struggles to find purpose, she is transported to a world where elves and mages are hated and feared, a world where religion existed to chain the minds of the masses, a world she hated-a world she is once again forced to save. Inquisitor!Hero of Kvatch
Elder Scroll series & Dragon Age, T, English, Adventure & Friendship, chapters: 24, words: 145k+, favs: 353, follows: 469, updated: 2/20 published: 1/27/2015, Dragonborn/Dovahkiin, Hero of Kvatch, Solas, Felix