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What Lies Beneath by Mandalorian Runescaper reviews
After Commander Shepard refuses her help on the Citadel, Tali is left having to find another way to complete her Pilgrimage. But there are other things in the galaxy just as terrifying as the Reapers. Mass Effect/Alien crossover, but with much more of a focus on the former. Takes place during ME1. Feedback is much appreciated!
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi/Horror - Chapters: 2 - Words: 12,809 - Reviews: 3 - Favs: 13 - Follows: 12 - Updated: 2/19 - Published: 12/17/2022 - Tali'Zorah, OC
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: 42 - Words: 312,052 - Reviews: 40 - Favs: 208 - Follows: 262 - Updated: 2/19 - Published: 1/5/2022 - Lone Wanderer, Courier, OC
Rising from the Embers of Sera by thehappy reviews
The people of Sera rebuild, spreading to the stars. Wars will be waged. Peace will be sought. The Coalition has risen from the ashes to take their right to exist in the galaxy. They will survive...no matter the cost.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 18 - Words: 276,512 - Reviews: 282 - Favs: 548 - Follows: 682 - Updated: 2/18 - Published: 12/28/2020 - OC, U. Wrex, Shepard, Councilor Tevos
To Sail Among the Stars by How-not-to-do-something reviews
The Universal Century promised a new Era, and brought conflict. But the stars shine on, awaiting those who seek a new start. Crossposted from Ao3.
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 47,012 - Reviews: 19 - Favs: 54 - Follows: 75 - Updated: 2/18 - Published: 11/1/2022
A Whole New World by Spartan III Commando reviews
Noble six's story did not end on Reach, he escaped the doomed planet after saving the Pillar of Autumn, and he and 117 fought across each Halo, until an incident sent him to a whole new world. And he is wholly unprepared for the journey in store.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 9 - Words: 35,995 - Reviews: 56 - Favs: 294 - Follows: 428 - Updated: 2/18 - Published: 7/7/2016 - SPARTAN-B312/Noble Six
The third way by Konradoziom reviews
Mankind has finally united after a long time. To do this, it was necessary to discover the ruins of an ancient civilization and a wrecked spaceship. But the ship and the ruins have a completely different technology. Is it a gift from heaven that allows for enormous development in many directions, or is it a danger of their existence? Humanity will have to find out about it.
Crossover - Starblazers & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 29 - Words: 82,160 - Reviews: 137 - Favs: 193 - Follows: 230 - Updated: 2/18 - Published: 2/20/2021 - Alex W./M. Kodai, A. Avatar/J. Okita, Nihlus K.
Dysfunctional Drift by Ricky Rabankenz reviews
After an ambush almost cost them everything, the mercenary group Dysfunction attempts a jump to safe harbor, but a catastrophic failure sees them flung into an unknown galaxy. What will they do with no money and no contacts.
Crossover - Mass Effect & Star Citizen - Rated: M - English - Sci-Fi - Chapters: 10 - Words: 21,084 - Reviews: 17 - Favs: 49 - Follows: 77 - Updated: 2/17 - Published: 10/19/2022
Ark effect Remake by EclipsePheniox reviews
After the attack on the Collector base failed, the Normandy SR-2 found themselves on Ark a planet roaming with primordial beasts. But as their Commander returns, things become more complex as they learn about Ark and the reason they are there and the purpose of the world.
Crossover - Mass Effect & ARK: Survival Evolved - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 16,223 - Reviews: 5 - Favs: 39 - Follows: 50 - Updated: 2/17 - Published: 1/3 - Liara T'Soni, Miranda L., Shepard
Homo Proximus: The next step of Man (Avatar-Mass Effect-multicross) by Tiranus reviews
After the second defeat of RDA and the destruction of the colonization effort of Pandora, the Humans of Earth progress on their own. This is the story of the rise of the human race in a strange galaxy.
Crossover - Mass Effect & Avatar - Rated: M - English - Chapters: 10 - Words: 18,722 - Reviews: 31 - Favs: 77 - Follows: 99 - Updated: 2/17 - Published: 2/6
Operation Terra Sunrise HALO ( AU) x ME ( AU) by SimplyLaggy reviews
The Endless Swarm, known as the Reapers. Mostly defeated by the forerunners, yet after the death of almost all forerunners, they return. Now, the Reclaimers face them. Join Rebecca Shepard, a OMI Long-term undercover operative, as she goes undercover as Jane Shepard on Terra, Systems Alliance Earth, which was made by Ancient Humanity, as a ancient human remnant AI watches.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 2 - Words: 4,521 - Reviews: 7 - Favs: 37 - Follows: 57 - Updated: 2/16 - Published: 2/9 - Illusive Man, Shepard
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: 10 - Words: 36,153 - Reviews: 84 - Favs: 331 - Follows: 499 - Updated: 2/16 - Published: 7/8/2022 - Rookie, Shepard
The Rise of the Enclave by 6-4 pilot reviews
Stuck in a more peaceful galaxy, the Tau of the Farsight Enclave must still prepare themselves for war against the forces that conspire to destroy it. But as they fight for their existence, elements from their old home come to strengthen their power in said old home.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 19 - Words: 99,490 - Reviews: 138 - Favs: 322 - Follows: 362 - Updated: 2/16 - Published: 4/20/2020 - Chaos Space Marines, Tau, Legion, Shepard
The True Way Of The Sith - Part Two by Writing Shop 12 reviews
Sequel to The True Way Of The Sith. The Mass Effect Relay has been activated and a whole new galaxy of opportunity comes with it. What will Lily Potter, the Crown Princess of the Sith Empire, do with this new chance for adventure? And more importantly, will her father let her go into the unknown on her own? Citadel space beware, the Sith have come. (Harry x Harem) (Lily x Shepard)
Crossover - Harry Potter & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 18,255 - Reviews: 224 - Favs: 1,654 - Follows: 2,152 - Updated: 2/15 - Published: 1/8 - Harry P., Liara T'Soni, Tali'Zorah, Shepard
Temporal Displacement with Gamer Characteristics by Keywielder reviews
As if shifting between the real world and Elite-verse when I had just graduated from Senior High for a few months wasn't enough, now they're telling me that it was a goddamned Beta THE WHOLE TIME, after FIVE FUCKING YEARS of God knows what in the actual fuck and ONLY NOW I get the full release! Fuck it. Let's just roll with this crap... Gamer, OC, SI. Current World: Mass Effect.
Crossover - Mass Effect & Elite Dangerous - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 44,672 - Reviews: 38 - Favs: 210 - Follows: 282 - Updated: 2/15 - Published: 11/20/2021
star wars the old republic naruto story by dragons 23 reviews
naruto was left on the steps of the jedi temple and is found by grand master and is the adopted by jedi knight satele shan and become a jedi padawan to master kassandra romance be lana beniko and jaesa and all so my oc kara lockwood
Crossover - Mass Effect & Star Wars - Rated: M - English - Sci-Fi/Romance - Chapters: 6 - Words: 6,248 - Reviews: 4 - Favs: 4 - Follows: 5 - Updated: 2/15 - Published: 10/16/2022 - HK-47, Nadia G., Lana Beniko, BD-1
The Terran Effect 1: Earth's new colonists by TimeTraveller-1900 reviews
The Twelve Colonies of Kobol have newly settled on Earth, deciding to discard their technology with plans to colonise the planet.
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,223 - Reviews: 3 - Favs: 23 - Follows: 24 - Published: 2/14 - W. Adama, K. Thrace/Starbuck - Complete
I'll Always Find You by Scififan33 reviews
Sora T'Soni just wanted to keep her family safe, to put her skills to use for her people, so she joined the military. Riku Yamada was running from a past he wished he could forget, grateful to those who saved him, so he joined the Alliance military. The Saren and Sovereign attacked and both their lives changed forever. Something drew them together but how could it work?
Crossover - Kingdom Hearts & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 16 - Words: 70,255 - Reviews: 8 - Favs: 22 - Follows: 21 - Updated: 2/14 - Published: 6/30/2022 - [Riku, Sora] [Liara T'Soni, Shepard]
Azure Resilience by MarredTales reviews
New planets were always to be considered dangerous and for this asari huntress it was no different. Surviving the reaper war without knowledge of the outcome, she must use her abilities to her advantage to ensure her survival and find herself a place amongst the world. It was just bad luck that she arrived during a blight.
Crossover - Mass Effect & Dragon Age - Rated: M - English - Fantasy/Adventure - Chapters: 3 - Words: 9,908 - Reviews: 4 - Favs: 7 - Follows: 18 - Updated: 2/13 - Published: 1/30 - OC, Cailan T.
Mass Effect: Uzumaki Guardian by defiasstone2 reviews
The cycle has happened many times before even the Protheans, one of those cycles spelling the end of the elemental nations and the usage of chakra, which was deemed too great a threat to the cycle for the Reapers to let survive. However, even the best attempts at genocide can fail and now on Eden Prime a man with a grudge awakens from a very long nap...
Crossover - Naruto & Mass Effect - Rated: T - English - Adventure/Fantasy - Chapters: 25 - Words: 137,667 - Reviews: 799 - Favs: 2,023 - Follows: 2,526 - Updated: 2/12 - Published: 5/15/2015 - Naruto U., J. Garson, Tali'Zorah
Lords Of War by jahobes reviews
The Citadel is but a shadow of its former glory. The Terminus systems led by the Batarians and Salarians stand as the new masters of the Galaxy. Or so they thought? Heavily AU. Humanity based off of the Expanse T.V series. HFY.
Crossover - Mass Effect & Expanse - Rated: T - English - Sci-Fi/Drama - Chapters: 16 - Words: 20,091 - Reviews: 62 - Favs: 299 - Follows: 432 - Updated: 2/11 - Published: 6/9/2016 - Garrus V., Liara T'Soni
Drop into Hell by Lighting wolf knight
They have a lot more to do before its done. Rated T for violence, death, and profanity.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 5,426 - Favs: 11 - Follows: 16 - Updated: 2/10 - Published: 2/3 - Miranda K., OC, Admiral Hackett, Shepard
Mass Effect meets X Universe by Sordahon reviews
Crossover between Mass Effect trilogy and X Universe 4x space game. My game Corporation and rest of Commonwealth with Terrans will meet Citadel Races and maybe even Reapers. There will be no System Alliance nor Cerberus.
Crossover - X Universe & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 35,244 - Reviews: 29 - Favs: 54 - Follows: 78 - Updated: 2/10 - Published: 3/20/2020
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: 39 - Words: 131,382 - Reviews: 50 - Favs: 251 - Follows: 258 - Updated: 2/9 - Published: 8/2/2019
The USSC: A Timeline by SimplyLaggy reviews
A timeline of my USSC fanfic base. Feel free to use what's inside, but please gib me credit : REVAMP OUT 28/2/23 ENJOY
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 1,628 - Reviews: 2 - Favs: 8 - Follows: 10 - Published: 2/8
Lost Son of Terra Phoenix by Ares007 reviews
For eons past, they enjoyed the harvest of their farms. Countless civilizations breathed life because they allowed it. Now, they will die because he demands it. Halo/Mass Effect but with heavy elements from Warhammer 40k. M-Shep/Miranda, OC/Liara. HFY
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 16 - Words: 116,869 - Reviews: 47 - Favs: 160 - Follows: 205 - Updated: 2/8 - Published: 11/29/2021 - [SPARTAN-B312/Noble Six, Oriana L.]
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