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Earth's Defense by shdowstep reviews
It was too late. Despite the warnings given, the Reapers made their way to Earth, and the Harvest began once more. But the Reaper's miscalculated. Humanity was not alone on Earth - Gaia and Alaya existed as well. And they already had various plans in place to survive an extinction level event.
Crossover - Fate/stay night & Mass Effect - Rated: T - English - Chapters: 4 - Words: 12,850 - Reviews: 114 - Favs: 477 - Follows: 636 - Updated: 12/23/2024 - Published: 2/5/2022
Mortal Desperations by Solthrin reviews
Arcturus Magnus, Sagittarum of the Legio Custodes, has fought for years within the webway and the Impossible City. Upon taking a near-fatal wound, the Emperor Himself removes Arcturus from the front, sending him instead to bring forth reinforcements from the Mechanicum. When something goes wrong during the return, where does this Custodian find himself?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 94,743 - Reviews: 158 - Favs: 694 - Follows: 981 - Updated: 12/23/2024 - Published: 1/17/2023 - Adeptus Mechanicus, Tali'Zorah, Shepard
Tali'Zorah: Demonologist by Sheev314 reviews
I DO NOT OWN MASS EFFECT ALSO THE FIRST TWO CHAPTERS WILL HAVE HORROR ELEMENTS IN IT Tali'Zorah's pilgrimage on a haunted world turns into an adventure with the demon known as Shepard. Can she and her new infernal friend save the galaxy from the Reapers, or will the universe burn in the fires of a new war.
Crossover - Mass Effect & Pathfinder RPG - Rated: M - English - Sci-Fi/Horror - Chapters: 2 - Words: 8,478 - Reviews: 8 - Favs: 12 - Follows: 17 - Updated: 12/21/2024 - Published: 11/19/2024 - Tali'Zorah, Shepard
Agent Murphy S Law by Darkstar the Grimm reviews
That time I became an agent of the IMF tasked with completing missions across all of time and space. Killing monsters, fighting villains and saving people by derailing canon events. SIOC x Miranda Lawson x multicross girls.
Crossover - Fate/stay night & Mass Effect - Rated: M - English - Romance/Humor - Chapters: 4 - Words: 8,386 - Reviews: 2 - Favs: 12 - Follows: 14 - Updated: 12/21/2024 - Published: 12/6/2024 - [OC, Miranda L.]
On the Nature of Daylight by Ragingceliac reviews
Tali never expected to be swept up into saving the galaxy; she never expected to meet someone like Commander Shepard, Hero of the Citadel; she never expected to be working for Cerberus. But the thing that would end up surprising her the most? The weirdo on the Normandy who carried around radioactive slag in his pocket.
Crossover - Fallout & Mass Effect - Rated: M - English - Angst/Romance - Chapters: 18 - Words: 44,300 - Reviews: 49 - Favs: 122 - Follows: 201 - Updated: 12/19/2024 - Published: 8/27/2024 - [Lone Wanderer, Tali'Zorah]
Transform Effect: Rise a Prime by RECKLESS SOLDIER-MS reviews
Two galaxies isolated from one another meet for the first time, just as the war between two opposing factions escalates. But the galaxy has more than first contact with a race of machines to worry about, ideals will be tested as an ancient evil returns to begin a cycle of genocide. A leader from the ranks of the Autobots must rise to stop both the Decepticons and the Reapers.
Crossover - Transformers/Beast Wars & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 34 - Words: 226,454 - Reviews: 272 - Favs: 444 - Follows: 431 - Updated: 12/18/2024 - Published: 2/3/2014 - Optimus Prime, Megatron, Shepard
Titanic Impact by WetRagdoll reviews
The hero of Typhon Jack Cooper is lost in action along with his Titan BT 7274 crashing, literally into another. Does this world have a place for a pilot, if so; what about his Titan?
Crossover - Mass Effect & Titanfall - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 6,865 - Reviews: 16 - Favs: 146 - Follows: 197 - Updated: 12/17/2024 - Published: 9/8/2022 - Tali'Zorah, Garrus V., Shepard, Jack C.
Noble and Not by Requiem of Life reviews
Six is half dead by the time Jun retrieves him from Reach. Neither of them are much better when slipspace malfunctions, and the end up in a world unlike their own. How will they be able to fight in another war they have no real stake in? Watch as the two living members of Noble Team fight to save another universe, but with more allies, friends, and more
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 1 - Words: 5,289 - Reviews: 11 - Favs: 55 - Follows: 89 - Published: 12/17/2024 - Jun-A266/Noble Three, SPARTAN-B312/Noble Six, Miranda L., Shepard
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: 22 - Words: 494,021 - Reviews: 177 - Favs: 419 - Follows: 484 - Updated: 12/16/2024 - Published: 6/6/2023 - Garrus V., Tali'Zorah, Shepard - Complete
Quintessence Effect Collective Rebirth by EvaShinobiKaiserKnight reviews
Two Years have passed since the Paladins and the Normandy had suffered the tragedy of loss. A year since the Altean's have begun to return to the galaxy after the second battle of the Citadel. But the Reapers are not done as the Paladins and a revived John Shepard must gather allies to face this threat. This is their Rebirth into a new world of wonders as Heroes. NOW FORM VOLTRON!
Crossover - Mass Effect & Voltron: Legendary Defender - Rated: M - English - Sci-Fi/Family - Chapters: 11 - Words: 135,468 - Reviews: 47 - Favs: 37 - Follows: 39 - Updated: 12/15/2024 - Published: 8/11/2024 - [OC, Princess Allura] [Ashley W., Shepard]
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: 24 - Words: 144,303 - Reviews: 978 - Favs: 2,324 - Follows: 2,771 - Updated: 12/14/2024 - Published: 8/9/2017 - Son Gohan, Son Goku, Vegeta
Same Story, different World by KE12 reviews
After choosing Synthesis, Shepard (F) awakes to find she is on Earth, just not her Earth, and she has a parasitic AI in her head. Aloy meanwhile questions just who and what she has found and tries to figure out if this entity can be the answer to all her problems or if it is just yet another world-ending threat. Set during HZN Forbidden West.
Crossover - Mass Effect & Horizon Forbidden West - Rated: K - English - Adventure - Chapters: 2 - Words: 6,752 - Reviews: 8 - Favs: 35 - Follows: 51 - Updated: 12/13/2024 - Published: 8/13/2024 - Harbinger, Shepard, Aloy, Erend/Erend Vanguardsman
Mass Effect: Spider and Wolf by Night Shadow76 reviews
The Spider-verse has been saved, the Inheritors had been defeated, and all is well. Well, except for one Spider. With his home gone and destroyed, he has no where to go, but with aid from Madam Web and The Other, he will have a new home, once that's on the edge of destruction. Now if only he could make sense of how Asari breeding works. Based loosely on the Inheritors storyline.
Crossover - Spider-Man & Mass Effect - Rated: M - English - Adventure - Chapters: 11 - Words: 63,552 - Reviews: 58 - Favs: 76 - Follows: 117 - Updated: 12/13/2024 - Published: 6/12/2024 - OC
Priority: Terra by 1Ferrox reviews
A Custodian-led Solblade fleet from Warhammer 40k is thrown into the Mass Effect galaxy after a Chaos ambush disrupts their warp travel. Disoriented and cut off from the Astronomicon, they emerge near Palaven, where Turian forces desperately defend their home against the Reapers.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 4,929 - Reviews: 21 - Favs: 88 - Follows: 115 - Updated: 12/11/2024 - Published: 12/6/2024 - Imperial Guard
A Knight of the Stars by TheBlindOrchid reviews
After barely escaping Order 66 with her life, Jedi Knight Kyra Katobi finds herself thrust into another grand calling, and another war. Perhaps this time, she can prevent the ones she cares about from dying. Takes place during Mass Effect 2/Post ROTS. Shepard x OC Mirialan Jedi. Reboot of my story A Knight's Redemption.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 3 - Words: 7,216 - Reviews: 10 - Favs: 47 - Follows: 76 - Updated: 12/10/2024 - Published: 2/20/2023 - OC, Shepard
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. While she may be a Jedi no longer, a Jedi's work is never done. At least she's not alone.
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 44,253 - Reviews: 39 - Favs: 89 - Follows: 136 - Updated: 12/10/2024 - Published: 5/4/2024 - [Tali'Zorah, Shepard] Ahsoka T., Garrus V.
Marathon Effect by IX404 reviews
After dying thousands of times, and winning hopeless encounters, Roland Hector, Chief Security Officer of the UESC Marathon, also known as Mjolnir Recon number 54, finally succeeds in trapping the W'rkncacntr. Little does Roland and Durandal know is that they will soon be involved in another race against an enemy that seeks to destroy Humanity and it's allies.
Crossover - Marathon & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 10,315 - Reviews: 9 - Favs: 33 - Follows: 56 - Updated: 12/7/2024 - Published: 11/20/2024 - Durandal, Cyborg, Garrus V., Shepard
Remnants by General Rage reviews
From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 51 - Words: 1,080,049 - Reviews: 942 - Favs: 643 - Follows: 718 - Updated: 12/7/2024 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
The N7 and Avatar by EclipsePheniox reviews
Commander Shepard and Avatar Korra have switched places. No one knows how or why, but one thing is for sure it's not good. Both the crew of the Normandy and Team Avatar must team up to solve the problem they both face. Korrasami, Shep/ Miranda. Teen, for now, possibly M later.
Crossover - Mass Effect & Legend of Korra - Rated: T - English - Sci-Fi/Fantasy - Chapters: 9 - Words: 24,238 - Reviews: 3 - Favs: 13 - Follows: 25 - Updated: 12/6/2024 - Published: 3/19/2024 - Miranda L., Shepard, Korra, Asami S.
The Czarnian Pilgrimage by evolution-500 reviews
For centuries, the Quarians have searched the stars for a new home following their forced expulsion from their homeworld Rannoch. Abandoned by the Citadel and forced to survive and fend for themselves, with nowhere else to go, everything seemed hopeless, until one day, the Quarians come across a strange planet unlike any other, along with an even stranger people. Alternate universe
Crossover - DC Superheroes & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 6 - Words: 30,760 - Reviews: 4 - Favs: 21 - Follows: 18 - Published: 12/6/2024 - Lobo, Rael'Zorah - Complete
Shadows and Dust by HistoricalHijinks reviews
Shattered, Reborn, Reforged, Remade. The gaze of the Pheonix Force, seeking purpose and understanding, falls upon the Reapers and their harvests. Disgusted by their perverted, farcical 'cycle', it decides to wipe their stain from the multiverse. Needing a perfect host, it waits tens of millennia until, as Hannah Shepard is miscarrying due to eezo radiation, it finds one in her womb
Crossover - X-Men & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 36,987 - Reviews: 81 - Favs: 377 - Follows: 511 - Updated: 12/5/2024 - Published: 6/25/2023 - Ashley W., Liara T'Soni, Shepard
Mass Effect: The Clone Wars Truce by reza0807 reviews
Burdened with defeating the Reapers, commander Shepard is forced to work together with the terrorist organization Cerberus to fight the mysterious Collectors. Now he has to assemble a team to go through the Omega-4 relay. However, he did not expect to find a trio of Jedi, a brotherhood of clones and a murderous cyborg general. They might be just what he needs to beat the Reapers...
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 179,278 - Reviews: 495 - Favs: 822 - Follows: 970 - Updated: 12/5/2024 - Published: 7/2/2018 - Obi-Wan K., General Grievous, Tali'Zorah, Shepard
Buzzard Buccaneer Radio by General Rage reviews
Boz the Buzzard hosts this pirate radio station, beaming out music to the Normandy, Fallen Serpent, Crusty Chorka and Ascendant Justice non-stop. BBR has only one mission, to keep Rock n Roll alive in the dark void of outer space. A companion story to "Remnants" that shows what happens while Shepard is off playing hero. Part of the Wormhole Chronicles Saga.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Sci-Fi - Chapters: 14 - Words: 107,720 - Reviews: 116 - Favs: 113 - Follows: 128 - Updated: 12/3/2024 - Published: 9/21/2016 - OC
Outlaws of the Verse (Undergoing Editing) by ColtKit Prods. Omniva Verse reviews
What if Hilda met all her Captain friends at Blue Heaven. Then recruited more crew, like she said she would. What if she continued on as Captain of the Outlaw Star? (Multi-Xover, AU): Uses Lore & Aliens from different franchises, Ship's Crew from various other series. (Unofficial Sequel: "The Last Spartan" by DinoJake) 142 years after Reapers invade, with Normandy crew still alive.
Crossover - Mass Effect & Outlaw Star - Rated: T - English - Sci-Fi/Family - Chapters: 8 - Words: 63,219 - Reviews: 5 - Favs: 17 - Follows: 15 - Updated: 12/3/2024 - Published: 10/21/2023 - Hilda, Gene S., U. Grunt, OC
The Terminus Exarchate by infamouswestgate reviews
Qelet B'Norai, Batarian cartel-kin and agent of the Covenant, travels the swallowed-yet-undigested worlds of the Terminus Exarchate! Can he save the Covenant Empire from collapsing underneath its own great weight?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 24 - Words: 70,635 - Reviews: 36 - Favs: 17 - Follows: 23 - Updated: 12/1/2024 - Published: 9/11/2024
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