Mass Effect Crossovers
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My Mass Effect Acadamia by Astraea755
A crossover bringing all the characters you know and love from my hero acadamia and putting them into the roles of several mass effect characters. We follow Izuku Midoriya as he awakens again from yet another death at the hands of the reapers. This time he swears it will be different. This will be updated periodically, i write out the chapters after recording gameplay to use.
Crossover - My Hero Academia/僕のヒーローアカデミア & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 3,156 - Favs: 1 - Follows: 5 - Published: 1/4 - Izuku M., Mina A., Ochako U., Tenya I.
Sith Effect Episode I: First Contact by Metagray reviews
The ruins of Mars belonged not to the protheans but to humanity's ancestors, the Sith Empire. How will the Citadel react to a race that not only doesn't use mass effect technology, but is an anathema to their ideals. When the turians find the Sith, they face a war unlike any this galaxy has seen. The First Contact War has begun. Peace is a lie, there is only passion.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 46,890 - Reviews: 146 - Favs: 479 - Follows: 635 - Updated: 1/3 - Published: 12/3/2022 - D. Anderson, Admiral Hackett, Rael'Zorah, OC
Mass Effect: Into Darkness by Lara Jayd reviews
When Revan is thrown into Citadel space by a phenomenon she has never encountered before, she must join Shepard in her fight against the Reapers in order to save both of their galaxies.
Crossover - Star Wars & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 17 - Words: 71,194 - Reviews: 51 - Favs: 196 - Follows: 296 - Updated: 1/3 - Published: 6/14/2020 - Revan, Carth O., Garrus V., Shepard
Kerberos by timedraven117 reviews
Commissioned: The Green Flu struck earth like a meteor, in its clutches billions died, and a new world emerged. Now it is the year 2156 and that which has been dreaded by humanity ever since the truth of the Green Flu has come to pass. First Contact.
Crossover - Mass Effect & Left 4 Dead - Rated: M - English - Sci-Fi - Chapters: 6 - Words: 33,764 - Reviews: 18 - Favs: 116 - Follows: 177 - Updated: 1/3 - Published: 4/23/2021 - Illusive Man, Shepard
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: 1 - Words: 7,379 - Reviews: 2 - Favs: 18 - Follows: 29 - Published: 1/3 - Liara T'Soni, 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: 19 - Words: 97,089 - Reviews: 118 - Favs: 313 - Follows: 385 - Updated: 1/2 - Published: 8/18/2020 - Amuro R., Char A., Tali'Zorah, Admiral Hackett
War of the Old Ones by Ian the Mechanic reviews
In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?
Crossover - Mass Effect & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 15 - Words: 79,719 - Reviews: 93 - Favs: 179 - Follows: 265 - Updated: 1/2 - Published: 2/21/2022
Mass Effect Kills Halo by giblo126 reviews
I was frustrated and wanted to get something out.
Crossover - Halo & Mass Effect - Rated: K+ - English - Chapters: 1 - Words: 495 - Reviews: 19 - Favs: 1 - Follows: 2 - Published: 1/1
The Final Olympian by TheSilverboar reviews
Percy Jackson. Alive since before humanity even reached Mars, wandering in solitude. But as Saren tries to destroy the galaxy he can't stand Idly by and returns to Alliance Space to help stop this new threat to his species. (Male Sheppard)
Crossover - Percy Jackson and the Olympians & Mass Effect - Rated: M - English - Sci-Fi/Friendship - Chapters: 5 - Words: 8,202 - Reviews: 39 - Favs: 558 - Follows: 669 - Updated: 12/31/2022 - Published: 11/6/2021 - Percy J., Ashley W., Tali'Zorah, Shepard
Mass Effect: Man of Steel by DarkAvenger001 reviews
What if the explosion of Krypton wasn't natural? What if Kal-El's escape pod didn't go to Earth? This is that story.
Crossover - Superman & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 20 - Words: 70,226 - Reviews: 187 - Favs: 339 - Follows: 398 - Updated: 12/30/2022 - Published: 6/2/2013
Depths of Space by Lighting wolf knight
A Jedi Relic takes The fledging New Republic and a student of Luke's to new depths of space. One with new friends and enemies. Rated T for violence, death, and profanity.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 8,381 - Favs: 3 - Follows: 6 - Updated: 12/30/2022 - Published: 12/11/2022 - OC, Grand Moff A. Kaine, Liara T'Soni, Peebee S.
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: 5 - Words: 6,144 - Reviews: 1 - Favs: 2 - Follows: 3 - Updated: 12/29/2022 - Published: 10/16/2022 - HK-47, Nadia G., Lana Beniko, BD-1
Not in one's own plate by Sicht reviews
V was losing hope of returning to her life as she knew it. Time had become an unknown constant; had she been inside for a year? Maybe two? Either way, she felt anxious, worried. Her sacrifices couldn't have been all for naught. Right?
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Mystery/Sci-Fi - Chapters: 3 - Words: 12,901 - Reviews: 9 - Favs: 46 - Follows: 83 - Updated: 12/28/2022 - Published: 9/8/2022 - V, OC
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: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 22,115 - Reviews: 130 - Favs: 499 - Follows: 767 - Updated: 12/28/2022 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
Humanity Perpetuum by Slim Dustpan reviews
My earliest and most embarrasing published work, its not very good but by goddam will I not let it hold me back. It lives again! I shall do my very best to slavage this work! Or it may die again, who knows.
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 4 - Words: 4,324 - Reviews: 11 - Favs: 27 - Follows: 37 - Updated: 12/28/2022 - Published: 4/17/2018
Snack Bytes: Is There a Dream Effect by Wynnt'r reviews
They say a machine cannot dream, cannot feel, but what if. What if, there was someone that can make more than just AI. And there's only one person can bring a dream for synthetics, and that's her!
Crossover - Kamen Rider & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,548 - Reviews: 4 - Favs: 6 - Follows: 4 - Published: 12/27/2022 - Shepard - Complete
Mass effect Fallout by norwi
A fan project of mine merging mass effect and Fallout (Plus ocs) into one universe
Crossover - Fallout & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 3,035 - Favs: 6 - Follows: 7 - Published: 12/26/2022 - Tali'Zorah, Benezia, OC
Mass effect: the Jaded ones by Ray SK reviews
A UNSC Human-covenant war-era battle group led by a Punic class supercarrier is introduced to a new galaxy. One where people are xenophilic, use to times of peace and harmony, and against disrupting the Status Quo. What will an extremely aggressive xenophobic and battle-hardened human faction add to the mix? and will their addition change the future of this galaxy. (No Spartans)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 5 - Words: 29,851 - Reviews: 68 - Favs: 159 - Follows: 236 - Updated: 12/25/2022 - Published: 2/6/2022 - E. Buck, OC
Maelstrom Effect Book 2: Shadows of Crimson by godospartan the Kitsune reviews
After Soverign's defeat, the sibling Commanders left to clean up the mess it left behind. But one of them was struck down by an unknown force. The next 2 years they go in search of the ones responsible, unknowing that a secret group is bringing their sibling back to life to fight the Reapers again. How will they react when they meet again? NaruxTali, Shakarian, Mature content later
Crossover - Naruto & Mass Effect - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 12 - Words: 141,870 - Reviews: 71 - Favs: 321 - Follows: 366 - Updated: 12/25/2022 - Published: 12/25/2019 - Naruto U., J. Garson, Garrus V., Tali'Zorah
A Galaxy of Inheritors and Usurpers by HaloZealotDemon reviews
The Separatists destroy the Covenant in a brutal war, yet in the 2570s they persist in their efforts, but in a two years they will be gone. However The Gods have other plans. The Migrant fleet decides that they'll escape through Relay 314 to unknown space and but meet, as LTCOL Church said "Sleep-deprived Titans with negative fucks to give." Heavy AU, Rvb elements, bad swearing.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 1 - Words: 4,788 - Reviews: 17 - Favs: 108 - Follows: 156 - Published: 12/25/2022 - Arbiter, T. Hood, Tali'Zorah, Councilor Sparatus
Things Alliance and Imperial Forces are No Longer Allowed to Do by thelordofdarkreunion reviews
As blending cultures and bored soldiers often goes, both the Alliance and Imperial militaries have gotten up to some very interesting hijinks. Admiral Hackett and the Commissariat have decided enough is enough, and posted these handy rules for their respective soldiers to follow.
Crossover - Warhammer & Mass Effect - Rated: K+ - English - Humor/Sci-Fi - Chapters: 2 - Words: 3,427 - Reviews: 38 - Favs: 101 - Follows: 73 - Updated: 12/23/2022 - Published: 8/11/2022 - Imperial Guard, Space Marines, Admiral Hackett - Complete
Glory to the Imperium! by V-rcingetorix reviews
Astartes Shepard has been assigned a new task: to escort strange alien civilians to a site within Imperium borders. The Emperor Renewed has issued a personal directive that preparations are to take place, an alien race seeks to destroy the peace achieved within the Imperium's holy borders. My first foray into the 40k 'verse, insight would be helpful.
Crossover - Warhammer & Mass Effect - Rated: T - English - Drama/Adventure - Chapters: 3 - Words: 28,961 - Reviews: 40 - Favs: 175 - Follows: 213 - Updated: 12/23/2022 - Published: 11/15/2021
StellarEffect: The Imperial Chronicles ((On hold)) by Jack Smith1 reviews
The Empire is in a time of Peace and prosperity, After Crown Princess Sarah Led the Fremas Offensive during the Fremas Rebellion where Imperial Forces clashed with Traitors and Renegade Elements of Imperial Society, Only for the Empire to finally Emerge Triumphant, But a new threat emerges and a Whole new galaxy is now aware of them, Irene Protects, Let no one be found wanting.
Crossover - Mass Effect & Stellaris - Rated: M - English - Sci-Fi/Drama - Chapters: 8 - Words: 24,797 - Reviews: 21 - Favs: 86 - Follows: 97 - Updated: 12/22/2022 - Published: 1/16/2022 - [Shepard, Ashley W.] Admiral Hackett, OC
Star-Bound by The Incredible Muffin reviews
Some destinies are written out centuries, or even millennia, ahead of time. However, when destiny is derailed, new plans have to be implemented. Sometimes, that involves ripping someone away from the peaceful end they seek and thrusting them into a tide of never-ending war in order to fix what can never be repaired.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 37 - Words: 252,086 - Reviews: 1063 - Favs: 1,323 - Follows: 1,628 - Updated: 12/22/2022 - Published: 5/29/2019
The Long, Long Walk by This Is Sarcasm reviews
Having stopped the Hive incursion on Eden Prime at the expense of being stuck in Commander Shepard's reality, Crow is offered a place on the Normandy. With nowhere to go, he accepts, and finds himself at the front of the fight against the Collectors, while at the same time trying to learn how to trust the ship's residents. In the end, though... maybe he's not 'stuck' after all.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Angst - Chapters: 26 - Words: 88,268 - Reviews: 171 - Favs: 309 - Follows: 436 - Updated: 12/21/2022 - Published: 9/15/2021 - Joker, Shepard, Dr. Chakwas, Crow
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