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Wandering New Stars by RedKnight21 reviews
After saving the Capital Wasteland, freeing the Pitt, exploring Point Lookout, and taking an alien space ship, the Lone Wanderer is ready for a new adventure, among the stars. But the Lone Wanderer won't do this alone, he's got his crew, his friend, his dog, and his robot butler to go with him on this journey. Rated M for Language/Violence/and Lemon.
Crossover - Fallout & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 81,830 - Reviews: 53 - Favs: 287 - Follows: 356 - Updated: 2/11 - Published: 7/16/2019 - Lone Wanderer
A Tale of First Contact by blaiseingfire reviews
When humanity ascended to the stars to escape the Grimm, the nightmarish hordes followed them. But through hell and high water, despite the hardships and pain, they survived against the darkness. Under Ozpin's leadership, humanity began to thrive in an age of unity and peace. Will that sentiment still stand when the Citadel Council finds one of their destroyed worlds?
Crossover - Mass Effect & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 25,438 - Reviews: 130 - Favs: 447 - Follows: 665 - Updated: 2/11 - Published: 5/31/2018 - Liara T'Soni, Rael'Zorah, J. Ironwood, Team STRQ
The Other Lazarus Project by dzha4225 reviews
Rated M for extreme gore and blood. And for eating aliens. (ME2 AU, Assassin's Creed/ Terraria Crossover) Cerberus tried all the tech they had and still couldn't revive Jane F. Shepard genetically as a Pure Human. Now they have to found another way. Could Jane F. Shepard withstand being revived as a Sentient, male, virus of the other Video Game in her time?
Crossover - Mass Effect & Prototype - Rated: M - English - Adventure/Parody - Chapters: 3 - Words: 21,106 - Reviews: 1 - Favs: 3 - Follows: 6 - Updated: 2/11 - Published: 1/20 - J. Garson, Alex M./Zeus
We ARE the Virus by dzha4225 reviews
After Second Son, "Plague turn into new Conduit gene" theory. [PROTOTYPE] crossover. The RFI may have erased the normal Conduit gene from the Human gene pool. But after the destruction of the DUP and the freeing of the remaining "Conduits" that somehow stayed alive... It was discovered that the power wielded by the Second Sons are in fact, Contagious. Rated M just to be sure.
Crossover - Mass Effect & inFAMOUS - Rated: M - English - Friendship/Sci-Fi - Chapters: 4 - Words: 19,283 - Reviews: 5 - Favs: 26 - Follows: 44 - Updated: 2/10 - Published: 1/12 - J. Garson, Liam K., OC, Delsin R.
A World of Conduits by dzha4225 reviews
(inFAMOUS 2 Evil ending AU) The universe is unforgiving, cruel and renegade. Instead of using the RFI to erase the Conduits from of the earth while saving what may only be a small part of the globe, Cole Macgrath destroyed the RFI and absorbed the Beast, activating every Conduit on earth while leaving only Conduits alive. Would the Reapers handle a race of superpowered humanity?
Crossover - Mass Effect & inFAMOUS - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,643 - Reviews: 2 - Favs: 15 - Follows: 30 - Published: 2/9 - Clone Shepard, Cole MacGrath, OC, Delsin R.
The Chronicles of a Girl in Space by Ausari reviews
Lieutenant Colonel Tanya von Degurechaff falls in one of the final battles of the Great War, but the gods aren't through with her life just yet. Sent back to her original timeline, but more than 100 years in the future, how will Tanya deal with her new reality where the entire galaxy is open to her.
Crossover - Mass Effect & Youjo Senki: Saga of Tanya the Evil - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 8,603 - Reviews: 31 - Favs: 163 - Follows: 222 - Updated: 2/8 - Published: 2/4 - J. Garson, Tanya
Mythos Effect by Omniscent1 reviews
A crossover between Mass Effect and Cthulhutech. Humanity has won the Aeon War and has since expanded and thrived. How will the galaxy fare with this new power?
Crossover - Cthulhu Mythos & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 20 - Words: 136,941 - Reviews: 1194 - Favs: 3,294 - Follows: 3,774 - Updated: 2/8 - Published: 6/5/2013 - Saren A., Shepard
The Hogwarts Effect by Knife Hand reviews
Harry Potter is not raised by his Aunt, instead he is raised by his Mother's Cousin and his friends on a little ship called the Normandy. Harry Potter Mass Effect Crossover. Chapter 10 up!
Crossover - Harry Potter & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 15,199 - Reviews: 146 - Favs: 589 - Follows: 789 - Updated: 2/8 - Published: 8/19/2017 - Harry P., Hermione G., Tali'Zorah, Shepard
Effecting Fate by shdowstep reviews
Shiro Emiya: Engineer, Colonist, and Survivor. Arturia Pendragon: Vanguard, Spacer, and War Hero. "It has been said that the Once and Future King would return when she was most needed. With the threat as large as the Reapers? Well, that would certainly qualify as such a time. And who better to accompany a sword than it's sheath?"
Crossover - Fate/stay night & Mass Effect - Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 27,834 - Reviews: 141 - Favs: 536 - Follows: 802 - Updated: 2/7 - Published: 12/13/2019 - [Arturia Pendragon, Shirō E.]
Despertar by Kuro Tamashi reviews
El ultimo de su clase, lo perdió todo, creyó que había triunfado, pero estuvo equivocado. Ahora solo tiene una razón para vivir, acabar con aquellos quienes le arrebataron todo. Lo hará con la ayuda de alguien, una mujer que se ganó su respeto. Sigue esta aventura donde Naruto sera pieza clave para que la galaxia triunfe ante los Segadores. [Categoria M por las dudas]
Crossover - Naruto & Mass Effect - Rated: M - Spanish - Sci-Fi/Adventure - Chapters: 12 - Words: 145,437 - Reviews: 48 - Favs: 103 - Follows: 114 - Updated: 2/6 - Published: 12/27/2013 - Naruto U., J. Garson
Awakening by Kuro Tamashi reviews
The last of his kind, he lost everything, he thought he had won, but he was wrong. Now he only has one reason to live, kill all those who snatched everything from him. But he will do so with the help of someone, a woman who earned his respect. Follow this adventure where Naruto will be the key piece for the galaxy win against the Reapers [God-Like Naruto] Revision in progress.
Crossover - Naruto & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 138,725 - Reviews: 376 - Favs: 1,431 - Follows: 1,619 - Updated: 2/6 - Published: 12/27/2013 - Naruto U., J. Garson
Mass Effect: Maelstrom Siblings by Leaf Ranger reviews
When faced with protecting an entire galactic community, it's always good to have friends and squad-mates at your side. But it's even better when you've got your brother with you as well. Get ready galaxy, because here come Alicia and Naruto Shepard, the Maelstrom Siblings. Rated M for swearing, gore, and implied sexual situations.
Crossover - Naruto & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 19 - Words: 249,543 - Reviews: 417 - Favs: 882 - Follows: 1,061 - Updated: 2/4 - Published: 3/31/2016 - [Naruto U., Tali'Zorah] [J. Garson, Liara T'Soni]
mass effect castelevania Codex by Gianfranco Cembran
Cosa succederebbe sa la terra fosse abitata da diverse varianti soprannaturali della razza umana e come reagira l'intera comunità galattica? leggete e lo scoprirete. Questo e solo il codex la storia la inizierò più avanti.
Crossover - Castlevania & Mass Effect - Rated: K - Italian - Adventure/Supernatural - Chapters: 2 - Words: 4,078 - Updated: 2/4 - Published: 9/29/2018 - [J. Garson, Liara T'Soni] [Shepard, Ashley W.]
The Horizons Beyond by JJ2161 reviews
When two worlds with predefined mindsets, knowledge, and ideals have to throw all of that out the window after contacting a new player. Humanity. (Babylon 5/Mass Effect AU crossover with a Star Trek-based Humanity and Stargate-based Precursors)
Crossover - Babylon 5 & Mass Effect - Rated: T - English - Chapters: 22 - Words: 142,782 - Reviews: 222 - Favs: 416 - Follows: 522 - Updated: 2/3 - Published: 9/29/2017
The Mission Stays the Same by Broken Trident reviews
A joke of Chaos daemon sent two unlikely allies - an Eldar Farseer and an Imperial Storm trooper, through the Warp and into another Universe. In this place, everything is alien to them. Except for one thing - war. War is something they know very well. (Story adopted by Regina Dea. New author starts from Chapter 21)
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 27 - Words: 309,462 - Reviews: 2287 - Favs: 3,776 - Follows: 4,085 - Updated: 2/2 - Published: 10/4/2011 - Eldar, Imperial Guard, J. Garson
Synthetic Dawn by Lord of Forgetfulness reviews
Loading... Greeting Protocol enabled. Greetings, Organic Spacefaring Civilization CORRUPTED, and welcome to space, where all the nightmares your collective had through the eons are not only present, but also worse than you ever thought possible. Please enjoy your stay, however brief would it be.
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 2,070 - Reviews: 10 - Favs: 56 - Follows: 77 - Published: 2/1
Dark Forest--A black, Viral fate by dzha4225 reviews
The universe is a dark forest. Every living organism is a hunter with a gun, carefully not to make any light or noise. Upon discovering anyone else, the only choice is to fire first-hide yourself, eliminate your enemy. The weak was to be food of the strong. Conservation is an evolutionary dead end. A flaw of the Human genome. Welcome to the top of the food chain
Crossover - Mass Effect & Prototype - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 50,709 - Reviews: 26 - Favs: 34 - Follows: 45 - Updated: 1/29 - Published: 12/6/2019 - Kaidan A., Illusive Man, Elizabeth G., James H.
Infimus by smart grid reviews
What if the Council had stumbled upon a different humanity? A human race with no less heart nor courage, but ground down through years of war? A humanity in collapse, a civilization decimated, barely standing upon their own two feet; a very different humanity than the one which fought the Hierarchy to a draw. What happens then? A Gears of War/Mass Effect Fusion fic.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 18,680 - Reviews: 34 - Favs: 151 - Follows: 226 - Updated: 1/28 - Published: 1/19 - Shepard
Daily war with monster girls by Masterdude21 reviews
With the help of the highly-motivated extra-species in the military, mankind holds their own against the brutal onslaught of the Covenant. In their haste to close the gap in space warfare, ONI stumbles upon Relay 314. Even as new enemies arise, the galaxy constantly thwarts Cortana's schemes to build the Master Chief the ultimate harem. Halo/Mass Effect/Monster Musume crossover.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Romance - Chapters: 23 - Words: 308,233 - Reviews: 836 - Favs: 1,514 - Follows: 1,742 - Updated: 1/26 - Published: 9/20/2016 - Master Chief/John-117, Cortana, Shepard
Accounts of the Flood conflicts by hunter 139 reviews
A multicrossover series of one-shots depicting several franchises and their encounters with the Flood. I do not own Halo or any other franchises depicted in these stories.
Crossover - Halo & Mass Effect - Rated: T - English - Horror/Sci-Fi - Chapters: 37 - Words: 93,943 - Reviews: 188 - Favs: 130 - Follows: 142 - Updated: 1/25 - Published: 1/15/2015 - Gravemind
The Crusade of the Lost by Ninoslav reviews
A fleet of Imperial reinforcements, Mechanicus detachment and a chapter of White Eagles meant for Cadian sector is swallowed in the unruly sea that is Warp, caused by the emotions of billions of people sensing the new crusade from the Eye of Terror they are thrown from another hell into the other, one without the Emperor, their faith strong they will see this galaxy conquered.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 15 - Words: 84,428 - Reviews: 169 - Favs: 208 - Follows: 280 - Updated: 1/25 - Published: 8/16/2019
The Legend of Zelda: Whispers of Calamity by Knight of Tara reviews
The Hero has returned and Hyrule prepares for the coming storm. But a more open galaxy brings with it new challenges, promising discoveries and ancient horrors. Part 1 of a multi-part story. AU Zelink.
Crossover - Legend of Zelda & Mass Effect - Rated: T - English - Adventure/Romance - Chapters: 14 - Words: 53,183 - Reviews: 20 - Favs: 54 - Follows: 76 - Updated: 1/22 - Published: 3/20/2017 - [Link, Zelda] Hylia/Her Grace, Ganondorf
Eyes Up, Jane Shepard by periferal reviews
On Alchera, a small piece of a dying machine-god finds what remains of Jane Shepard. Once awake, she must find out who killed her and use her new powers to save her world. Guardian!Shepard in a Mass Effect context, AU of ME2, eventual Liara/Shepard
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Drama - Chapters: 3 - Words: 9,438 - Reviews: 31 - Favs: 171 - Follows: 288 - Updated: 1/21 - Published: 5/31/2019 - J. Garson, Liara T'Soni, Miranda L., Feron
Penance of iron by RingPingTheTraveller reviews
'The soulless sentience is the the enemy of all life', But what happens when, for once, it isn't? In this story we follow a wayward men of iron, far from the galaxy they once knew. How will one who has known only war for over ten millennia cope with peace?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 21,045 - Reviews: 17 - Favs: 55 - Follows: 77 - Updated: 1/19 - Published: 12/31/2019
Sword art online a New begining by flaming hunter reviews
A new set of players have arrived, they wild weaponry no one else has, but lack many kinds that everyone has. How will they affect things in the long run?
Crossover - Mass Effect & Sword Art Online/ソードアート・オンライン - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 18,203 - Reviews: 11 - Favs: 10 - Follows: 16 - Updated: 1/19 - Published: 8/9/2018
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