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The Siren Agenda by scratchedlines reviews
Angel Shepard is not the person she believed herself to be. Her life was reconstructed thirteen years ago without her knowledge, all to steer her down a path that will bring about her father's goals. Cover image done by Lukael@Tumblr
Crossover - Mass Effect & Borderlands - Rated: T - English - Drama/Sci-Fi - Chapters: 4 - Words: 3,974 - Reviews: 1 - Favs: 5 - Follows: 12 - Updated: 3h - Published: 12/28/2014 - Illusive Man, Guardian Angel, Zer0, Maya
Catalog of War by hunter 139 reviews
A collection of one shots about events, including battles, conflicts and skrimishes, that occur in the shared multiverse of my stories. I do not own any of the franchises that appear in this series. Multi-crossover. Sorry, I'm terrible at writing summaries.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 4,642 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 4h - Published: 4/21
Intelligence reports by magkiln reviews
A collection of in-universe reports regarding technical details for the story: Someone has heard them scream.
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 4,558 - Reviews: 7 - Favs: 11 - Follows: 16 - Updated: 10h - Published: 3/28
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: 14 - Words: 36,167 - Reviews: 160 - Favs: 183 - Follows: 233 - Updated: 10h - Published: 8/27/2014 - Imperial Guard, Tyranids, Garrus V., Liara T'Soni
Red Cobra by Billybobjoe47s reviews
Last time the UNSC discovered a mysterious alien artifact, the Halos came within seconds of activating. Every problem the UNSC has had in the last 50 years has been because of aliens and their blasted artifacts. So when a newly-surveyed system holds a mysterious artifact, there is great cause for worry. Operation RED COBRA is intended to remedy that worry- by any means necessary.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 19,844 - Reviews: 107 - Favs: 310 - Follows: 425 - Updated: 20h - Published: 1/6 - Master Chief/John-117, T. Hood
Team Jaeger by DisgruntledJaeger reviews
They sealed the Breach, ending the Kaiju war and saving humanity. The least they could ask for was hero's burial. But life isn't done with it's four favorite Jaegers just yet, they still have a galaxy to save.
Crossover - Mass Effect & Pacific Rim - Rated: T - English - Adventure/Humor - Chapters: 4 - Words: 16,470 - Reviews: 12 - Favs: 25 - Follows: 31 - Updated: 4/25 - Published: 4/4 - Gipsy Danger, Cherno Alpha, Crimson Typhoon, Striker Eureka
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: 1 - Words: 2,062 - Reviews: 10 - Favs: 41 - Follows: 53 - Published: 4/25
Someone has heard them scream by magkiln reviews
A council ship on a routine survey mission comes across a derelict vessel of unknown origin. Upon boarding, they find a single body, curiously asari-like, with its chest burst open as if from the inside. When the ship's owners arrive, first contact has to be made under the worst possible circumstances. (Rated T for violence and some horror)
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi/Horror - Chapters: 16 - Words: 36,277 - Reviews: 94 - Favs: 123 - Follows: 148 - Updated: 4/25 - Published: 3/18 - Alien/Xenomorph, Mordin S., Liara T'Soni, D. Anderson - Complete
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: 18 - Words: 56,928 - Reviews: 63 - Favs: 58 - Follows: 74 - Updated: 4/25 - Published: 7/21/2014 - Arbiter, Rookie, Shepard (F), Tali'Zorah
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: 7 - Words: 23,231 - Reviews: 49 - Favs: 109 - Follows: 128 - Updated: 4/25 - Published: 4/14
Engineering Effect by ionashank reviews
What if Humanity's history changed entirely before they left Earth? How would this affect the universe and the world as we know it? This is the story of a different Humanity, and their past and future. Heavy AU
Crossover - Mass Effect & Space Engineers - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 1,938 - Reviews: 4 - Favs: 19 - Follows: 32 - Published: 4/25 - Shepard (F)
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: 5 - Words: 17,438 - Reviews: 38 - Favs: 39 - Follows: 50 - Updated: 4/25 - Published: 3/28
Daughter of El by Archer83 reviews
Led by a determined general and brilliant scientist, the last survivors of a doomed world travel across an ocean of stars to reach a new Galaxy in hopes of a fresh beginning, untainted by their society's past. But a distress call from a world named Mindoir, and the rescue of a newly orphaned young girl, will have many unforeseen consequences. Original story idea by Nomad-117.
Crossover - Superman & Mass Effect - Rated: T - English - Family/Hurt/Comfort - Chapters: 9 - Words: 81,771 - Reviews: 118 - Favs: 240 - Follows: 322 - Updated: 4/24 - Published: 1/3/2014 - Clark K./Superman/Kal-El, Jor-El, Zod, Shepard (F)
Heart and Flesh by Nashk reviews
Shepard was a hero. She cheated death, destroyed a star system, and united the galaxy against reapers. It wasn't enough. Now Shepard must find her way in a strange new land filled with people who can manipulate the elements. Can she find peace in this new world? Or will she just be dragged into another war? Only one thing is for certain, heroes never rest. Post ME3, early A:TLA.
Crossover - Avatar: Last Airbender & Mass Effect - Rated: T - English - Adventure/Supernatural - Chapters: 1 - Words: 1,014 - Reviews: 1 - Favs: 1 - Follows: 3 - Published: 4/24 - Aang, Shepard (F)
Unbroken Cycle by PeaceMonger373 reviews
There are things out there that no one could ever imagine, one of these things is an ancient civilization that's been around for thousands of years, what will Humanity of Earth and the Species of the Citadel could think of this discovery? AU for both Star Wars and Mass Effect
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 3,381 - Reviews: 6 - Favs: 23 - Follows: 29 - Updated: 4/24 - Published: 3/11 - Shepard (F), Garrus V., Tali'Zorah, Shepard (M)
Evolution by AFanOfWriting reviews
A different man had been there. Or rather, not a man at all. Cerberus had been founded by a monster, and through a monster it would grow. Follow Shepard through the events of Mass Effect to destroy the Reapers, only to realize that there is another shadow lurking beyond, and with it will come an empire that will destroy anything in its way. See Author's Note for more info.
Crossover - Mass Effect & Prototype - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 15,666 - Reviews: 13 - Favs: 38 - Follows: 71 - Updated: 4/24 - Published: 4/13 - Shepard (F), OC, Alex M./Zeus
And a Shepherd to Lead Us by A Very Thirsty Megalomaniac reviews
With the Earth ravaged by Combine negligence and xenian wildlife, the human/vortigaunt combined alliance takes to the stars. Commander Adrian Shepard (descendant of Cpl. Adrian Shephard, whose "H" was a casualty to history and poor spelling) sets to combat the new Reaper threat while shadow forces struggle to determine what humanity's future is going to look like.
Crossover - Half-Life & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 26 - Words: 127,524 - Reviews: 86 - Favs: 126 - Follows: 139 - Updated: 4/24 - Published: 3/19/2014 - A. Shephard, G-Man, Shepard (F)
Halo-Mass Effect: Altered-Destiny by Azores reviews
In 2531 during the early years of the Great War, UNSC Spirit of Fire went missing and was declared lost with all hands. But what if the Spirit wasn't lost and adrift in space. What if it was sent to another Galaxy, before the Humans of this Galaxy hadn't discovered a certain set of ruins yet. How will Humanity's future change? How will the Galaxy be changed? Begins in 2100 AD.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 59,621 - Reviews: 163 - Favs: 323 - Follows: 444 - Updated: 4/24 - Published: 1/25 - J. Cutter, P. Cole, U. Wrex, Aria T'Loak
Re-activation by skyfire777 reviews
After the war, XCOM was reduced to conspiracy theories and urban myths. They did not exist in any shape or form. But they were far from gone. Now, after 50 years of rebuilding, humanity faces yet another threat. Now, after 50 years of preparations, XCOM stands ready to face that threat. Covert!XCOM. Rating subject to change
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 2 - Words: 2,721 - Reviews: 7 - Favs: 37 - Follows: 67 - Updated: 4/24 - Published: 4/18
Vigil by Peptuck reviews
Mankind has survived its crucible, and while scarred and changed by the Ethereals, they advance into the cosmos. The galaxy beyond is a place of wonder and terror, of wealth and strife. Amid the threats and opportunities, both within and without, XCOM remains vigilant. Mass Effect/XCOM/Eclipse Phase/FEAR fusion.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 13 - Words: 127,369 - Reviews: 323 - Favs: 584 - Follows: 651 - Updated: 4/23 - Published: 9/2/2014
As Much as Faith Would Allow by 144 Resonant Foresight reviews
The idea of Sanctum was forged in the minds of the most powerful races in the Galaxy. With the near extinction of their races these godlike species found unity to be paramount. The Leviathans, the Precursors, and the Xel'Naga, they created the Sanctum to observe and protect when necessary. Little did they know they would actually be challenged...
Crossover - StarCraft & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 3 - Words: 4,998 - Reviews: 5 - Favs: 7 - Follows: 9 - Updated: 4/23 - Published: 4/9 - Xel'naga, Leviathan
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: 15 - Words: 35,719 - Reviews: 152 - Favs: 136 - Follows: 170 - Updated: 4/23 - Published: 3/20 - U. Wrex, Tali'Zorah, Saren A., Mordin S.
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: 29 - Words: 88,221 - Reviews: 114 - Favs: 89 - Follows: 180 - Updated: 4/23 - Published: 6/24/2012 - Kaidan A., Shepard (F), Alistair
Shepherd of the Stars by joestej reviews
When Humanity ventured into the stars, they found they were not alone. And they were not liked. So they learned. How to build bigger, stronger ships. More powerful weapons. In order to survive, they learned to wield the Sword of the Stars. But there was one lesson they hadn't learned. It was called the Mass Effect.
Crossover - Mass Effect & Sword of the Stars - Rated: T - English - Sci-Fi - Chapters: 51 - Words: 180,140 - Reviews: 470 - Favs: 261 - Follows: 237 - Updated: 4/23 - Published: 3/19/2014 - Garrus V., Liara T'Soni, Tali'Zorah, Miranda L.
Dragon AgeMass Effect: Fancy Meeting You Here FInquisitor FShepard by FemShem reviews
The F/Inquisitor running for her life runs right out of an Eluvian smacks into F/Shepard in ME2 world with everyone's gun pointed at her...and then the Normandy and crew go to Thedas, because this is a funtime Action/Adventure/Humor and an isolated chapter of fluff/smut/angst Female Inquisitor and Female Shepard
Crossover - Mass Effect & Dragon Age - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 4,684 - Reviews: 5 - Favs: 2 - Follows: 7 - Updated: 4/22 - Published: 4/9 - Shepard (F), Joker, EDI, Inquisitor
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