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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: 65 - Words: 292,886 - Reviews: 492 - Favs: 1,236 - Follows: 1,369 - Updated: 21h - Published: 10/31/2022 - Shepard, V
Operation ECLIPSE - Apocrypha and Sidestories by HelenTheMoon reviews
Omakes, sidestories and Apocrypha written by me and others for Operation ECLIPSE. The Sidestories are canon, the rest just for fun. Feel free to submit content yourselves! (I'll credit you, obviously)
Crossover - Sonic the Hedgehog & Mass Effect - Rated: T - English - Chapters: 10 - Words: 14,675 - Reviews: 10 - Favs: 18 - Follows: 14 - Updated: 5/13 - Published: 12/25/2023
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: M - English - Sci-Fi/Adventure - Chapters: 19 - Words: 75,245 - Reviews: 346 - Favs: 942 - Follows: 1,371 - Updated: 5/13 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
Commander Shepherd Vs The Multiverse by Mace sheperd reviews
Commander Shepherd, The Butcher Of Torfan is already one of the strongest humans. So what happens when he is given the power of The Gamer and sent on a quest across the multiverse? Look out Multiverse, here comes The Butcher Of Torfan and he will slaughter all who defy him.
Crossover - Mass Effect & Manhwa/Korean Comics/만화 - Rated: M - English - Sci-Fi/Romance - Chapters: 1 - Words: 8,658 - Reviews: 2 - Favs: 3 - Follows: 4 - Published: 5/12 - Tali'Zorah, Shepard
Operation ECLIPSE by HelenTheMoon reviews
Pre-ME1 post-Frontiers Xover, in which the Sonic version of Earth replaces ME Earth. A Batarian planet suddenly turns invisible, and things only get weirder from there. That poor STG agent won't know what hit him, that's for sure. And neither will the rest of the galaxy - once Sonic and Eggman get there. Crossposted on Spacebattles and AO3. Rating may change.
Crossover - Sonic the Hedgehog & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 73,470 - Reviews: 30 - Favs: 66 - Follows: 87 - Updated: 5/12 - Published: 11/26/2023 - Sonic, Tails, OC
The Bureau of Multiverse Affairs by RedFrontWriter
Recruited by the mysterious Lutece twins, a band of heroes are sent on a mission to hunt down the sinister Professor Moriarty as he attempts to become the greatest criminal in the multiverse.
Crossover - Doctor Who & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 47,323 - Favs: 5 - Follows: 9 - Updated: 5/12 - Published: 3/3 - 4th Doctor, Sarah Jane S., Garrus V., Tali'Zorah
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: 85 - Words: 371,851 - Reviews: 363 - Favs: 434 - Follows: 551 - Updated: 5/12 - Published: 8/7/2022
Fall of the Citadel by Richard Scepton reviews
A fleet without an ocean, a humanity scarred forever by war. An admiral without a fleet, and a galaxy on the brink of war. It is the link in between, that will decide our fate, and that of the galaxy as a whole. CW: PTSD, depression, hand-to-hand combat and bayonets. Recommend not for children
Crossover - Mass Effect & Kantai Collection - Rated: T - English - Romance/Sci-Fi - Chapters: 28 - Words: 272,871 - Reviews: 109 - Favs: 111 - Follows: 167 - Updated: 5/12 - Published: 10/26/2023 - Shepard, Shigure, OC, Fubuki
The Wreck by Gabenator5 reviews
After the destruction of the Normandy, Tali'Zorah sets out to explore the lesser-explored regions of the galaxy in search of rare materials for the Migrant Fleet. During her adventures, she stumbles upon something that shouldn't exist within her universe. The galaxy will never be the same... [Rework: COMPLETED]
Crossover - Halo & Mass Effect - Rated: T - English - Fantasy/Sci-Fi - Chapters: 8 - Words: 25,101 - Reviews: 403 - Favs: 1,254 - Follows: 1,821 - Updated: 5/11 - Published: 1/7/2018 - Tali'Zorah
Star Wars: The Lost Pilgrim by Zelenal reviews
Through a happenstance of fate, Ahsoka Tano finds herself whisked away to the Milky Way galaxy circa 2183 CE after surviving the Jedi Purge. We follow her as she tries to adapt to this strange new galaxy and the even stranger people who inhabit it.
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 14,362 - Reviews: 9 - Favs: 27 - Follows: 42 - Updated: 5/11 - Published: 5/4 - Ahsoka T., Garrus V., Tali'Zorah, Shepard
Metroid Reaper by EvaShinobiKaiserKnight reviews
Samus Aran, the sole survivor of the K-2L Colony, former N7 of the Human Alliance, and now a solo Bounty Hunter travelling the cosmos, finds herself summoned by her former mentor to join him on the Normandy for a secret mission from the Alliance. But she will soon find herself on the front lines in a battle for galactic survival against a powerful threat from deep within dark space
Crossover - Metroid & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 39,450 - Reviews: 7 - Favs: 24 - Follows: 31 - Updated: 5/11 - Published: 5/6 - Samus A., Sylux, Ashley W., Kaidan A.
Mobile Suit - Mass Effect: The First Contact War by Mister Smallville reviews
Two worlds collide, neither prepared for the other. The Solar Sphere Congress -successor to the long gone Earth Federation- unwittingly starts a galactic crisis when it makes first contact with a very angry, very trigger happy Turian Hierarchy.
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 99,337 - Reviews: 183 - Favs: 335 - Follows: 490 - Updated: 5/10 - Published: 8/7/2023
Mass Effect: Resurrection by RabidRabbids reviews
Shepard's life hadn't gotten any easier. Entire colonies were disappearing, millions of people gone. And that's not even mentioning she'd been dead for two years, but desperate times call for desperate measures, and Shepard is forced to work with Cerberus to find out what's behind the disappearances. Thankfully, she's got monsters backing her up. (Sequel to Monstrum Immortalem)
Crossover - Mass Effect & Guardians of the Galaxy - Rated: M - English - Sci-Fi/Adventure - Chapters: 30 - Words: 144,139 - Reviews: 10 - Favs: 23 - Follows: 27 - Updated: 5/9 - Published: 6/15/2021
The Reclaimer Wars:The Reaper Crisis by Johnnieboy11 reviews
Six months prior to the worst crisis the normal Milky Way would face, Commander Shepard hunts the Collectors abducting human colonists in the Terminus Systems when she comes upon a terrifying new sight:Three Intergalactic fleets arrayed against each-other and her sole Frigate. Three new factions, one seeking a home and two seeking answers, all linked by the Star Roads.
Crossover - Game X-overs & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 42,212 - Reviews: 43 - Favs: 96 - Follows: 120 - Updated: 5/9 - Published: 4/26 - Liara T'Soni, Tali'Zorah, Miranda L., Shepard
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: 25 - Words: 119,417 - Reviews: 148 - Favs: 386 - Follows: 475 - Updated: 5/8 - Published: 8/18/2020 - Amuro R., Char A., Tali'Zorah, Admiral Hackett
Bellum Terranum by F35B reviews
Humanity has long since recovered from the effects of the Human-Covenant War, beginning to resettle and rebuild. The Quarians, with help from the Council, have also begun to rebuild their fallen civilization, settling pre-approved Council planets finally settling after surviving the Morning Wars. One pirate attack on a Quarian Colony however will alter the course of history...
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 45,470 - Reviews: 236 - Favs: 517 - Follows: 800 - Updated: 5/7 - Published: 7/31/2023
Masters of the trade by EarthBorn93
A chance encounter between two master thieves.
Crossover - Mass Effect & Uncharted series - Rated: T - English - Adventure - Chapters: 1 - Words: 1,646 - Favs: 1 - Follows: 1 - Published: 5/6 - Kasumi G., Elena F., Nathan D., V. Sullivan - Complete
Book One: Harvest by Believer218 reviews
The year is 2583. Humanity stands strong, even twenty-six years after a disastrous first contact. They are on a path to getting a human into the Citadel Council's Special Tactics and Reconnaissance. But that human is soon to discover that the Citadel isn't the only conglomerate of aliens. Rated M for graphic depictions of violence.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 20,417 - Reviews: 50 - Favs: 61 - Follows: 98 - Updated: 5/5 - Published: 4/4 - [Master Chief/John-117, Ashley W.] Arbiter, Saren A.
Eezo-Flux Theory by Larry The Mailman reviews
Humanity found out that it was not alone in the galaxy. It had earned its place in the galactic community, and made it its goal to strive for unity and prosperity. But the barrier between galaxies is fickle, and another galaxy's mankind may yet make a significant difference in the galaxy's period of peace. The Council will stare down the wonders and horrors of the Collapse.
Crossover - Mass Effect & Starsector - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 31,976 - Reviews: 38 - Favs: 88 - Follows: 119 - Updated: 5/4 - Published: 3/11 - Garrus V., Liara T'Soni, Admiral Hackett, C. Pressley
Robo Effect by Star Sage reviews
The Robotech wars are over. The survivors of Humanity and the Zentraedi are now alone in the universe, and so, come together, becoming something new, becoming Terrans. Now this race will find itself thrust into the galactic scene, as the Citadel Races and those beyond test these young upstarts, and in the shadows, old things begin to move.
Crossover - Robotech/Macross & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 67 - Words: 234,469 - Reviews: 650 - Favs: 943 - Follows: 1,028 - Updated: 5/3 - Published: 4/14/2015
Galactic Conflicts: Tales of First Contact by TheDoctor1998 reviews
Humanity and its allies have stood strong after the Great War with the Covenant. Follow the Systems Alliance as it goes through a first contact nearly as disastrous as the one that lead to the Great War.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 37,444 - Reviews: 178 - Favs: 367 - Follows: 526 - Updated: 5/3 - Published: 2/6/2023
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: 86 - Words: 339,208 - Reviews: 852 - Favs: 844 - Follows: 1,126 - Updated: 5/3 - Published: 5/5/2019 - Legion, Pyrrha N., Penny P., God of Darkness
The Second Contact war by Mythicspider629 reviews
After the battle for the citadel and jane Shepard's death the galaxy has finally begun to calm down and besides a handful of people everyone has forgotten about the Reapers or chooses to ignore them this makes things easy for the citadel council and with the majority of the Normandy crew scattered throw out the galaxy there is no one left to stop the Batarians from being stupid
Crossover - Call of Duty & Mass Effect - Rated: T - English - Chapters: 6 - Words: 12,684 - Reviews: 11 - Favs: 43 - Follows: 56 - Updated: 5/2 - Published: 3/28 - N. Reyes, E3N/Ethan, Garrus V., Councilor Sparatus
Mass Effect demi humans by EclipsePheniox reviews
Long ago on earth demi-humans appeared on earth. Now expanding into the galaxy the other races have to deal with both humans and demi-humans. Mass effect story from beginning to end but with monster people to make it more interesting. Experimental, possible harem
Crossover - Mass Effect & Monster Girl Encyclopedia - Rated: M - English - Adventure/Sci-Fi - Chapters: 46 - Words: 156,673 - Reviews: 64 - Favs: 292 - Follows: 308 - Updated: 5/2 - Published: 8/2/2019
The Effect of a Horse and a Dragon by Vimesenthusiast reviews
A different decision right after being cursed leads to a very different Ranma showing up in Nerima. When he goes after Herb to beat some sense into him Ryoga takes the chance to get rid of his rival once and for all, sending both combatants to the Mass Effect universe. What changes will two martial artists and their use of ki have on the coming conflict? RanmaXTaliXKasumiXSama
Crossover - Ranma & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 9 - Words: 181,769 - Reviews: 627 - Favs: 2,291 - Follows: 2,371 - Updated: 4/30 - Published: 2/2/2014 - Ranma, Kasumi G., Tali'Zorah, Samara
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