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Hunter x Hunter x Mass Effect challenge by kameriderking
A Chimera Ant’s AU Challenge
Crossover - Hunter X Hunter & Mass Effect - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 64 - Published: 1h
The Unknown Defender by Gabenator5 reviews
A new faction stirs, its green-clad enforcers seemingly unstoppable. Rumors spread, pirate bases go dark, and both the enslaved and kidnapped are discovered free. Who are these new interlopers, and what is their goal? For good or ill, the powers that be intend to find out. REWORK COMPLETED.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 153,028 - Reviews: 1376 - Favs: 3,855 - Follows: 4,841 - Updated: 2h - Published: 9/27/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Leviathan
The Wayfarer by Umbral Choir reviews
In the twilight of the universe the Ihan-rii, a forgotten sect of protoss, face an uncertain future in a realm consumed by the hounds of the void and their dark master. Xiltar, the last member of the umbral choir will guide his people into a fate beyond the designs of the Xel'naga only to find that he traded one war of annihilation for another.
Crossover - StarCraft & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 48 - Words: 213,412 - Reviews: 48 - Favs: 115 - Follows: 139 - Updated: 7h - Published: 2/5
Vigilo Confido: Operation Bird Hunt by Noctisreturns reviews
Colonel John Shephard has to face the toughest mission of his life. Hunt down a rogue Specter and repair his relationship with his sister. Just another day in X-Com.
Crossover - X-Com & Mass Effect - Rated: M - English - Drama/Sci-Fi - Chapters: 1 - Words: 378 - Reviews: 2 - Favs: 1 - Published: 11h - Julian, Shepard
Stellar Effect by Brandon Storm reviews
The Reapers trap was perfect in its design. Their execution refined over billions of years, their technology refined since the dawn of time itself. Right up until Someone Broke the Trap!
Crossover - Mass Effect & Stellaris - Rated: T - English - Adventure/Sci-Fi - Chapters: 52 - Words: 230,230 - Reviews: 214 - Favs: 332 - Follows: 454 - Updated: 17h - Published: 8/7/2022
Folded Effects by Mr. Thicc Montagne reviews
This is a very WIP, and very AU story. Space Engineers lacks lore, but instead I'll be utilizing lore from my own Space Engineers group. Gaia Cracking Industries will be the sole SE faction represented. And there will be 1 ship brought over. The Yggdrasil. A carrier ship. The SE ships will not simply overpower the ME ones. Summary to be updated once there's a proper story here.
Crossover - Mass Effect & Space Engineers - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 3,777 - Reviews: 5 - Favs: 22 - Follows: 26 - Updated: 7/29 - Published: 7/25 - Shepard, OC
Feared Reverence by ayab reviews
376 years after the battle between heaven and earth. Two humans have achieved godhood. Using their power to guide humanity to the stars. How will the galaxy react to see a species so advanced yet so primitive? So powerful yet not wanting to use their power. They are what the citadel race aspires to be and hates because of their jealousy. (up for adoption.)
Crossover - Naruto & Mass Effect - Rated: T - English - Fantasy/Sci-Fi - Chapters: 10 - Words: 28,652 - Reviews: 78 - Favs: 222 - Follows: 302 - Updated: 7/28 - Published: 1/14
Spectre with a Spartan Sister by ZeBear reviews
In 2574, after the formation of the United Sentient Species Federation, they find more intelegent life. Having infiltrated the Normandy Project, they save John Shepard from dying after the Collectors attack at the end of Mass Effect 1. Neglecting to tell his friends. Now with and entire Federation of Species behind him, instead of Cerberus, how will John deal with it all?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 1,463 - Reviews: 4 - Favs: 14 - Follows: 24 - Published: 7/28 - [Shepard, Tali'Zorah] Garrus V.
Saga of the Bridger-Year 7 by Ganel750 reviews
The war between the Empire and the Coalition is about to enter its bloodiest phase as 2227 will go down as the 'year of battles'. Meanwhile the Jedi Order keeps fighting a parallel war against the Sith and the Imperial Federation is entangled with an emerging power in the Milky Way.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 6,906 - Reviews: 2 - Favs: 7 - Follows: 7 - Published: 7/28 - Admiral Ackbar, OC, Ezra B., Shepard
Wasteland Galaxy by Redentor reviews
Matriarch Lantaya is a brave explorer from the Golden Age of Asari space exploration, and she wants to go home. The Lone Wanderer is a messianic cyborg from a world scorched in nuclear fire, and he wants to save the wastelands. Courier Six is a tribal postman who usurped control of an entire city state. He wants to eat people. Among other things. (Also available on Spacebattles)
Crossover - Fallout & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 44 - Words: 321,759 - Reviews: 51 - Favs: 230 - Follows: 287 - Updated: 7/28 - Published: 1/5/2022 - Lone Wanderer, Courier, OC
Not in one's own plate by Sicht reviews
Time has become an elusive concept, leaving V uncertain if she has been trapped for a year or even longer. Amidst lingering anxiety and worries, she clings to the belief that her sacrifices were not in vain, desperately seeking a glimmer of hope for a meaningful outcome to her plight. Since hope dies last.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 49,291 - Reviews: 15 - Favs: 73 - Follows: 129 - Updated: 7/27 - Published: 9/8/2022 - V, OC
The Long, Long Walk by This Is Sarcasm reviews
Having stopped the Hive incursion on Eden Prime at the expense of being stuck in Commander Shepard's reality, Crow is offered a place on the Normandy. With nowhere to go, he accepts, and finds himself at the front of the fight against the Collectors, while at the same time trying to learn how to trust the ship's residents. In the end, though... maybe he's not 'stuck' after all.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Angst - Chapters: 30 - Words: 102,768 - Reviews: 214 - Favs: 365 - Follows: 511 - Updated: 7/26 - Published: 9/15/2021 - Joker, Shepard, Dr. Chakwas, Crow
When magic decides one war isn't enough by Alykto reviews
Following Voldemort's return after the Triwizard Tournament, Dumbledore realized he couldn't possibly handle the incoming conflict on his own. He needed a general to prepare the war. His summoning ritual then dragged Commandant Shepard, Specter and N7 Alliance Marine fighting the Reapers to 12 Square Grimmault.
Crossover - Harry Potter & Mass Effect - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 5 - Words: 8,966 - Reviews: 10 - Favs: 13 - Follows: 21 - Updated: 7/25 - Published: 6/29 - Harry P., Ron W., Hermione G., Shepard
The Exiles:A New Power by Johnnieboy11 reviews
The beginning of the Battle For Earth signaled the start of the final, bloodiest campaign of the Human-Covenant War. Hastily, a plan is put into motion and an Ark Fleet, composed of a dozen Phoenix-class vessels and their escorts, makes the jump out of system. Either interference, or malfunction, causes their arrival to a new Galaxy, where new threats lurk just around the corner.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 28,835 - Reviews: 160 - Favs: 632 - Follows: 969 - Updated: 7/24 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
Never Fade Away by Ideas-Guy reviews
Lives are cheap and money is everything. That's how the orphanage made its money - lending out children for human expirementation. L is an old man at the age of fifteen and he knows he doesn't have much time left. All that mattered was getting out, but he soon learns that the world is a lot bigger than Night City. And that the galaxy is a lot bigger than Earth.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Adventure/Drama - Chapters: 31 - Words: 151,717 - Reviews: 246 - Favs: 807 - Follows: 911 - Updated: 7/24 - Published: 10/31/2022 - Shepard, V
Angelus Sanguis Humani by Ronin2106 reviews
Sanguinius manages to overcome Horus and with his final breath, he saves his sons and the Imperium, yet his soul is not taken by Dark Gods. Instead, he is reborn in a universe, where Humanity is only making it's first steps into the Galaxy, and is fighting the First Contact War. Imperium and Emperor are gone, but Humanity is here, and the Great Angel will never abandon it.
Crossover - Warhammer & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 13 - Words: 129,498 - Reviews: 765 - Favs: 1,081 - Follows: 1,348 - Updated: 7/23 - Published: 6/10 - Primarch/s, D. Anderson, Admiral Hackett
Ship of The Line – Effect 31 by Knife Hand reviews
Bored with how things are going to play out, Janus interferes more directly in Halloween, making things more interesting and changing the course of the entire Galaxy. (Buffy/Star Trek/Mass Effect) - Chapter 13 up
Crossover - Buffy: The Vampire Slayer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 22,853 - Reviews: 139 - Favs: 505 - Follows: 682 - Updated: 7/23 - Published: 10/16/2019 - Xander H., Buffy S., Willow R.
Saga of the Bridgers-Year 6 by Ganel750 reviews
A new Menace. As the war between the Coalition and the Empire enters a standstill, entire colonies at the edge of Wild Space start disappearing. When a new enemy will prove to be a threat to both sides in the conflict, enemies will have to join forces to prevent this new menace from conquering the galaxy.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 36 - Words: 204,840 - Reviews: 12 - Favs: 27 - Follows: 22 - Updated: 7/22 - Published: 8/17/2022 - Thrawn, OC, Ezra B., Shepard - Complete
Sith Effect Episode I: First Contact by Metagray reviews
The ruins of Mars belonged not to the protheans but to humanity's ancestors, the Sith Empire. How will the Citadel react to a race that not only doesn't use mass effect technology, but is an anathema to their ideals. When the turians find the Sith, they face a war unlike any this galaxy has seen. The First Contact War has begun. Peace is a lie, there is only passion.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 140,024 - Reviews: 643 - Favs: 1,589 - Follows: 2,021 - Updated: 7/21 - Published: 12/3/2022 - D. Anderson, Admiral Hackett, Rael'Zorah, OC - Complete
New Start Plus: in spaaaaace! by omaster43 reviews
Nick Walters and his merry band of misfits are back with a story about helping Shepard and crew fight giant eldritch robot abominations, most likely through Dumb magic and crazy shenanigans This is a continuation of my previous story, so reading that one first is recommended. but I'm not your nanny you wanna be confused that's your choice. Oc-insert, just came from Dragon age
Crossover - Game X-overs & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 4 - Words: 92,408 - Reviews: 64 - Favs: 189 - Follows: 226 - Updated: 7/21 - Published: 6/6 - Garrus V., Tali'Zorah, Shepard
Destiny Lost by Twisted Fate MK 2 reviews
The Gods left remnant together, with the statement they would never return to it or influence it. Only, that wasn't true, was it? The God of light, ever the hypocrite and liar, didn't abandon Remnant. Instead, he reincarnated someone to do his bidding and bring Remnant to them. Cue, the now dead Pyrrha Nikos and the God of Darkness' ideas. / Supporter Requested by Espacole & Spork
Crossover - Mass Effect & RWBY - Rated: M - English - Adventure - Chapters: 76 - Words: 304,817 - Reviews: 784 - Favs: 775 - Follows: 1,062 - Updated: 7/21 - Published: 5/5/2019 - Legion, Pyrrha N., Penny P., God of Darkness
Atonement by RJM3994 reviews
After finally dying, he expected to find peace. But he must atone for the mistakes of his life in this new universe. Revan in Mass Effect and HK-47 too for chaos.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 5 - Words: 10,062 - Reviews: 10 - Favs: 31 - Follows: 37 - Updated: 7/19 - Published: 7/15 - [Revan, J. Garson] HK-47
Here There Be Monsters by J-Litt-Press
What was supposed to be a training run for the crew of the USS Spirit of Fire turns into a fight for survival. An ancient evil has returned to wipe out all life in the galaxy, and the galaxy has descended into chaos and war. This brave ship and crew will travel to the darkest parts of space, fight impossible odds and face terror unimaginable to save the galaxy.
Crossover - Star Wars & Mass Effect - Rated: M - English - Horror/Adventure - Chapters: 1 - Words: 2,407 - Favs: 3 - Follows: 4 - Updated: 7/18 - Published: 6/21
Amphibia Effect: Dawn of the Reapers by Gunslinger245 reviews
Anne thought her war was over. She can finally return home safely with the Core defeated and Amphibia safe. Boy, how wrong could she have been? Now she and her friends are thrust into an alternate universe, facing a threat much worse than the Core. What if instead of sending them home, the Calamity box sends the trio to the Mass Effect universe and forces them to fight the Reapers?
Crossover - Mass Effect & Amphibia - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 10,013 - Reviews: 3 - Favs: 6 - Follows: 3 - Published: 7/18 - Shepard, Anne, Sasha, Marcy
Eddie Among the Stars by Primordial-wielder
(AU) Being the only adolescence human on a isolated backwater space station while having secret modifications within him due to illegal experimentation is something Eddie has grown to accustom to. But having the only adolescence Tsktskian around falling for him after accidentally saving her life though is something that almost makes him wish that he had died in that laboratory.
Crossover - Mass Effect & Lloyd in Space - Rated: T - English - Sci-Fi/Romance - Chapters: 1 - Words: 6,152 - Favs: 2 - Follows: 2 - Published: 7/17 - [Eddie H., Brittany B.] SAM, Lloyd N.
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