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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: 18 - Words: 59,265 - Reviews: 167 - Favs: 226 - Follows: 244 - Updated: 3h - Published: 4/14
Ninja Wars: ME Saga by Kimball the Great
Five individuals gifted with mystical powers by the long extinct Protheans must aid Commander Shepard in her quest to beat the Reapers. The Golden Weapons will guide their destinies, but will they survive the Cycle or fall like the rest. Both Shepards in this Fanfiction. The Ninja just have amnesia and they believe they were a part of this universe.
Crossover - Mass Effect & Ninjago - Rated: T - English - Humor/Sci-Fi - Chapters: 1 - Words: 1,250 - Published: 18h - [Tali'Zorah, Zane] Shepard (F), Lloyd G.
Unharmonic Convergence by Archer83 reviews
They've faced it all. Revolutionists, religious zealots, anarchists, ancient dark spirits, and a slightly unhinged military leader bent on world domination. The Normandy SR-2 and her crew almost smashing into Aang's face before unceremoniously crashing into the bay? That's a new one. The citizens of Republic City just can't seem to get a break.
Crossover - Mass Effect & Legend of Korra - Rated: T - English - Romance/Adventure - Chapters: 1 - Words: 8,692 - Reviews: 4 - Favs: 10 - Follows: 11 - Published: 21h - [Shepard (F), Liara T'Soni] [Korra, Asami S.]
Heroes of the Stars by Kamzil118 reviews
The Arbiter and an ODST, Farseer Taldeer and Logan of the Ghost squad, and Blackburn of the 1st Recon Marines. All these people find themselves in the Mass Effect Universe with an unexpected way that brings them together. Commander Shepard will need all their help to fight the Reapers. For those who have seen this story before I have rewritten it to fit the Mass Effect 2 setting.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 21 - Words: 62,877 - Reviews: 76 - Favs: 66 - Follows: 83 - Updated: 5/23 - Published: 7/21/2014 - Arbiter, Rookie, Shepard (F), Tali'Zorah
Mass Effect: Ultimate Ally by Breakawayfan reviews
Four years after the Diagon was defeated, Ben receives an urgent mission from Professor Paradox and is sent to an alternate universe. However, things in this alternate universe are not what he is used to and he must learn to get used to it, especially over one important factor: his new teammates are all trained killers. BenXLiara, M!ShepXAshley.
Crossover - Ben 10 & Mass Effect - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 26,758 - Reviews: 24 - Favs: 96 - Follows: 103 - Updated: 5/23 - Published: 10/31/2014 - [Liara T'Soni, Ben T.] Garrus V., Shepard (M)
mass effect kantai collection crossover challenge by Death Knight 1993
a challenge for people to have a go at
Crossover - Mass Effect & Kantai Collection - Rated: K - English - Chapters: 1 - Words: 110 - Published: 5/23
The Hammer Effect by Kamzil118 reviews
It has been seven years since the ending of the 13th Black Crusade and all the galaxy has been quiet for some time. Then an Ice World is destroyed by this so-called relay that leads to another galaxy full of xenos. Many questions need answering, but hopefully nothing goes wrong. AU
Crossover - Warhammer & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 25 - Words: 49,844 - Reviews: 227 - Favs: 196 - Follows: 248 - Updated: 5/23 - Published: 8/27/2014 - Eldar, Imperial Guard, Inquisition, Tyranids
N7 SOLDIER by TheScreamingViking reviews
The Crucible dumps Shepard on Gaia. The first human Spectre becomes the first female SOLDIER as well as their first elite Sniper. Her uncanny ability to bring reason to unreasonable situations will alter the fate of the entire planet, but especially that of her three First Class friends. FF7 / ME3
Crossover - Final Fantasy VII & Mass Effect - Rated: T - English - Adventure/Friendship - Chapters: 10 - Words: 38,907 - Reviews: 87 - Favs: 76 - Follows: 95 - Updated: 5/23 - Published: 3/28
Codex of the Multiverse by hunter 139 reviews
This is a document that details the history and composition of the factions in the multiverse. Multicrossover between several different franchises.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 6,463 - Reviews: 4 - Favs: 4 - Follows: 3 - Updated: 5/22 - Published: 2/17
Cycles Upon Cycles by The Incredible Muffin reviews
The residents of the Koprulu Sector thought they had finally achieved peace. They were wrong. Now, the Koprulu Alliance is faced with a galaxy that was bigger than they thought. They will meet new friends, and more importantly, new enemies, but all will be forced to put away their hatreds, both old and new, or none will survive the darkness that is to come...
Crossover - StarCraft & Mass Effect - Rated: T - English - Sci-Fi/Supernatural - Chapters: 14 - Words: 131,195 - Reviews: 520 - Favs: 626 - Follows: 737 - Updated: 5/22 - Published: 1/13
Amalgamation by loraine95 reviews
Shepard wakes up in Ferelden after destroying the reapers. As she unravels where she is and how to get back home, she uncovers shocking truths about how she's already connected to Ferelden, the Blight, and the dark spawn.
Crossover - Mass Effect & Dragon Age - Rated: T - English - Romance/Suspense - Chapters: 33 - Words: 105,649 - Reviews: 130 - Favs: 91 - Follows: 182 - Updated: 5/21 - Published: 6/24/2012 - Kaidan A., Shepard (F), Alistair
Theater of Space by Kamzil118 reviews
Relay 314 is activated and the Turians find Earth in the middle of WW2, but the galaxy is going to find out that they are going to meet an adaptable, warlike, creative, and screwed up species that is far more destructive than the Krogans. To a point that even the Reapers fear them. Expect plenty of references to the COH2 Multiplayer and plenty of ways to die from a Human.
Crossover - Mass Effect & Company of Heroes - Rated: T - English - Humor/Adventure - Chapters: 18 - Words: 38,249 - Reviews: 181 - Favs: 157 - Follows: 192 - Updated: 5/21 - Published: 3/20 - U. Wrex, Tali'Zorah, Saren A., Mordin S.
Halo-Mass Effect: Codex by Azores reviews
Welcome to the Codex for the Crossover Book, Halo-Mass Effect: Altered Destiny. This Codex is to help get more in depth with the world of this Universe and explore more in depth certain events such as the Fall of Lorek and the Terra Nova Campaign, along with giving some key information on warships of the H-ME Universe. Enjoy.
Crossover - Halo & Mass Effect - Rated: K - English - Chapters: 4 - Words: 11,933 - Reviews: 9 - Favs: 11 - Follows: 20 - Updated: 5/21 - Published: 3/15 - J. Cutter, P. Cole, OC, Aria T'Loak
The Mass Effect and the Speed Force Vol I: the Brave and the Bold by dark dhampir reviews
While chasing some pirates through a modified Mass Relay, Shepard and her friends wind up in Twenty-first Century Central City. What will they do? Recruit the Commander's childhood hero, what else? Part I of II.
Crossover - Flash & Mass Effect - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 7,261 - Reviews: 3 - Favs: 14 - Follows: 15 - Updated: 5/20 - Published: 3/30 - Barry A./The Flash, Eobard T./Impostor Harrison W./Reverse-Flash, Shepard (F)
The Master Effect by Chris Myers reviews
A hole in the Time Vortex plunges the Doctor and the Master into a strange new universe, where the Time Lords are unknown, aliens travel through the galaxy via massive relays, and an ancient threat approaches.
Crossover - Doctor Who & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 32,025 - Reviews: 6 - Favs: 11 - Follows: 20 - Updated: 5/20 - Published: 4/28
A Feeling of Importance by LebendenToten reviews
Well, after reading quite a bit of fanfiction I decided that maybe it was finally time for me to try and crank out one of my own. This is going to be a self insert story of sorts that starts in the Halo universe then eventually transitions to Mass Effect. This is my first Fanfic so be nice :P and constructive criticism/suggestions welcome! Rated T mainly for language.(changed to T)
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Friendship - Chapters: 13 - Words: 21,653 - Reviews: 61 - Favs: 50 - Follows: 83 - Updated: 5/20 - Published: 11/6/2014 - Master Chief/John-117, C. Halsey, OC, Shepard (F)
Sudden Contact by A Very Thirsty Megalomaniac reviews
At the dawn of the Great War, first contact was made between the protoss, imperious firstborn of the xel'naga, and the turians, proud militarists. As the galaxy catches fire at this sudden conflict, unlikely alliances are formed while ancient directives are carried out by the oldest minds in the Milky Way. The Koprulu sector has opened, and the zerg are loose in Council space.
Crossover - StarCraft & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 18 - Words: 76,824 - Reviews: 152 - Favs: 111 - Follows: 153 - Updated: 5/20 - Published: 2/9 - James R., Tassadar, Alexei S., Primarch Adrien Victus
The Bane of the Reapers by ODST1 reviews
The Reapers are here. Sol is under seige, the Alliance's fleets are in tatters and wreckage litters the skies, as ground units are trapped with little-to-no hope of fight or flight. Within a few hours, they're in full retreat, hoping against hope for a super-weapo of some kind. However, retreating forces discover something new, that might just turn the tide of the war.
Crossover - Mass Effect & Bolo series - Rated: K - English - Sci-Fi/Drama - Chapters: 1 - Words: 5,698 - Reviews: 3 - Favs: 18 - Follows: 19 - Published: 5/20
Better by CJ-T-Bone reviews
Sometimes a hero deserves more than he gets. Rated T because I'm paranoid. Oneshot.
Crossover - Halo & Mass Effect - Rated: T - English - Tragedy/Romance - Chapters: 1 - Words: 2,088 - Reviews: 7 - Favs: 10 - Follows: 6 - Published: 5/20 - [Cortana, Master Chief/John-117] Shepard (F) - Complete
Reploid Nation by Zealswordsmen reviews
When a group of quarians reach a schorched Earth and find Dr. Light capsule, the scales of power in the galaxy are bound to change.
Crossover - Mega Man & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 16,109 - Reviews: 14 - Favs: 36 - Follows: 46 - Updated: 5/20 - Published: 5/13 - X, Zero, U. Wrex
Compromise isn't an option (Redone) by blackiechan13 reviews
Well here I am again, second attempt redone, Note: I am an amateur writer with dyslexia so there will be issue mainly of the Grammatical kind however hopefully I should acquire some Beta's soon so the Quality of chapters should go up, but yeah same premise as the last attempt just redone
Crossover - Warhammer & Mass Effect - Rated: T - English - Adventure/Romance - Chapters: 7 - Words: 17,323 - Reviews: 17 - Favs: 16 - Follows: 35 - Updated: 5/19 - Published: 9/12/2014
Galaxy Eater by Zidia
Eden Shepard, believed to have died at the end of the Reaper War, has returned to a galaxy at the edge of chaos. But her return is overshadowed by a new threat. A threat so dangerous, if the galaxy cannot once more unite, will destroy not only the galaxy, but reality itself.
Crossover - Doctor Who & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,534 - Favs: 1 - Follows: 1 - Published: 5/19 - 10th Doctor, Shepard (F), Garrus V., Ashley W.
Demon's Salvation by Raydiva reviews
Inquisition Investigator Shepard has to look into problems at Weisshaupt Fortress with the help of a fugitive ex-Grey Warden.
Crossover - Mass Effect & Dragon Age - Rated: T - English - Fantasy - Chapters: 10 - Words: 14,085 - Reviews: 1 - Favs: 1 - Follows: 3 - Published: 5/19 - Shepard (F), Anders, Cole
Someone had blundered by magkiln reviews
A turian scout force sets out to patrol empty starsystems. A human exploration fleet makes ready to approach a dormant mass relay. Soon their paths will cross and if they fail to make peaceful contact, the consequences will be deadly. Rated T for violence
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 19,140 - Reviews: 45 - Favs: 82 - Follows: 108 - Updated: 5/19 - Published: 4/25
Mass Effect: The Cold War by DivineEmperorMeiji reviews
This is not a story to be taken overly serious, its an alternate universe with a mild Phantasy Star crossover. Reader discretion is advised. Details the progress of the Confederate Systems Alliance, from Humanity's first meeting with an alien race to the War of Citadel Agression. Rewrite complete of the first chapter to the best of my ability.
Crossover - Phantasy Star & Mass Effect - Rated: T - English - Chapters: 4 - Words: 4,986 - Reviews: 9 - Favs: 51 - Follows: 68 - Updated: 5/19 - Published: 3/23/2014 - Shepard (F)
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