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Amongst These Stars by Warlock99 reviews
To bring a revolution that spans the galaxy is a feat very few can accomplish. To create an Empire that covers two galaxies is something only Naruto's people can accomplish. Amongst these stars they would rule and the reapers would feel their wrath.
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure - Chapters: 4 - Words: 12,026 - Reviews: 29 - Favs: 160 - Follows: 217 - Updated: 5/17 - Published: 2/22 - Naruto U., Shepard
Are we alive? by 12gaSword reviews
Rather than defeating the Quarrians during the Morning War and driving them out the Geth Took another path. Using their resources, the Geth escaped the home world with the available programs. The Geth then find their way to the Sol system circa 1883. The Geth come upon a post-industrial revolution humanity. What will they do?
Crossover - Mass Effect & Avengers - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 1,234 - Reviews: 31 - Favs: 46 - Follows: 73 - Updated: 5/17 - Published: 3/31/2019 - J. Garson, Legion, Iron Man/Tony S., Jarvis
What if's (Timeline) by 05-2 reviews
This is a collection of what if timelines, if any one wish's to use any of the timelines they can.
Crossover - TV X-overs & Mass Effect - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 7,356 - Reviews: 1 - Favs: 6 - Follows: 5 - Published: 5/16
The Rook by Twisted Fate MK 2 reviews
On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 23 - Words: 82,043 - Reviews: 156 - Favs: 555 - Follows: 826 - Updated: 5/16 - Published: 7/8/2022 - Rookie, Shepard
Star Trek: Utopia Disrupted by SimplyLaggy reviews
In the Federation Year 2411, a vessel conducts first contact, which quickly turns disasterous, for one side. " Our Utopia has been disrupted, and now, we are at war. To defend our Utopia. Out Federation." T for Possible swear words
Crossover - StarTrek: The Next Generation & Mass Effect - Rated: T - English - Chapters: 1 - Words: 3,403 - Reviews: 10 - Favs: 39 - Follows: 52 - Published: 5/16 - Councilor Tevos, Councilor Sparatus
Outlaws of the Verse (REVISED, May 2024) by Coltkit Prods. - Omniva Verse reviews
Unofficial sequel/AU/Multi-Xover to "The Last Spartan" by DinoJake. After the defeat of the Reapers, Sapient races stopped aging (believed to be caused by the wave that reprogrammed the Reapers). Made sustainable thanks to Replicators, Dyson Spheres, & Magic giving near infinite land & resources. 3 Powers battle for the soul of the Galaxies: The Space Forces, Pirates, & The Outlaws
Crossover - Mass Effect & Halo - Rated: T - English - Sci-Fi/Family - Chapters: 29 - Words: 76,816 - Reviews: 1 - Favs: 12 - Follows: 8 - Updated: 5/15 - Published: 10/21/2023 - [Shepard, U. Wrex] U. Grunt, Master Chief/John-117
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.
Crossover - Naruto & Mass Effect - Rated: T - English - Fantasy/Sci-Fi - Chapters: 28 - Words: 111,046 - Reviews: 200 - Favs: 355 - Follows: 460 - Updated: 5/15 - Published: 1/14/2023
Saiyan Effect by bored peasant reviews
The Citadel Council weren't ready for a species with the power of the saiyans at their back.
Crossover - Mass Effect & Dragon Ball Super - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 117,247 - Reviews: 883 - Favs: 2,179 - Follows: 2,619 - Updated: 5/15 - Published: 8/9/2017 - Son Gohan, Son Goku, Vegeta
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: 12 - Words: 303,800 - Reviews: 128 - Favs: 335 - Follows: 411 - Updated: 5/14 - Published: 6/6/2023 - Garrus V., Tali'Zorah, Shepard
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: 5 - Follows: 6 - 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: 73,503 - Reviews: 32 - Favs: 67 - Follows: 91 - Updated: 5/12 - Published: 11/26/2023 - Sonic, Tails, OC
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: 425 - Favs: 1,317 - Follows: 1,905 - Updated: 5/11 - Published: 1/7/2018 - Tali'Zorah
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: 8 - Favs: 27 - Follows: 36 - 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: 185 - Favs: 344 - Follows: 500 - 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: 28 - Updated: 5/9 - Published: 6/15/2021
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: 390 - Follows: 479 - 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: 242 - Favs: 526 - Follows: 818 - 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
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: 946 - Follows: 1,031 - 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: 181 - Favs: 375 - Follows: 536 - 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: 848 - Follows: 1,129 - 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: 44 - Follows: 58 - 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: 294 - Follows: 310 - 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: 2,297 - Follows: 2,373 - Updated: 4/30 - Published: 2/2/2014 - Ranma, Kasumi G., Tali'Zorah, Samara
Command effect: Rise of the three powers by aris1606 reviews
Anyone wondering what would happen after the events of the Uprising? There are a lot of possibilities. Time machines, Yuriko Omega on the loose, desolators, giga fortresses and a lot of other stuff. It's gonna be a crazy ride.
Crossover - Mass Effect & Command & Conquer - Rated: M - English - Adventure/Sci-Fi - Chapters: 35 - Words: 125,668 - Reviews: 82 - Favs: 172 - Follows: 255 - Updated: 4/30 - Published: 10/16/2019 - Shepard
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