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Alternate First Contact War
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Focus: Games Mass Effect, Since: 01-19-11
Founder: Relvain Jenafuse - Stories: 403 - Followers: 445 - Staff: 16 - id: 88942
This community is for stories with the First Contact War in it, the war can be against the System Alliance or an alternate Human Civilization. This community will accept any story and All Ratings are accepted. Even if the story has only one long chapter with the First Contact War in it then it is acceptable for this community.

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Please Note: I don't actively search through the database for any stories, so send me a link if you find any, or I will just upload the newly published

The Duelist Effect by Rigged Bomb reviews
The Reapers aren't the biggest monsters on the block anymore. Not when humanity can summon creatures that are even bigger than them. *Property of Dax-RangerGuy*
Crossover - Mass Effect & Yu-Gi-Oh! 5D's - Rated: T - English - Fantasy/Sci-Fi - Chapters: 3 - Words: 13,165 - Reviews: 52 - Favs: 117 - Follows: 140 - Updated: 1/25 - Published: 1/8
Infinity by casquis reviews
Space is infinite, but under the right conditions even a galaxy can feel too small.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 15,150 - Reviews: 136 - Favs: 231 - Follows: 348 - Updated: 12/15/2015 - Published: 10/12/2015
Xcom: Human Incursion by Drewman784 reviews
Every race thus far has utterly failed to stop the Reapers, always embroiled in pesky politics and wars to take any notice of the coming storm. This time though... this time is different. Can you feel the equally raging storm coming? I can. Two storms will collide, destruction will be everywhere, and I can only hope this time it will be enough. COVER ART NEEDED!
Crossover - X-Com & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 13,266 - Reviews: 57 - Favs: 111 - Follows: 146 - Updated: 1/18 - Published: 11/28/2015
Human Magic Effect by Leona-do reviews
Humanity faced an alien coalition invade Earth led by the Ethereal. Outgunned and Outnumbered. Humanity won because of of Magic. It wasn't science or technology that saved the world. It was ultimately Magic that saved humanity from the Ethereals. Magic changed humanity, and so too it changed the galaxy when humanity entered the stars. Alternative Reality. AU
Crossover - Fate/stay night & Mass Effect - Rated: T - English - Fantasy/Sci-Fi - Chapters: 2 - Words: 10,445 - Reviews: 53 - Favs: 208 - Follows: 284 - Updated: 12/1/2015 - Published: 11/20/2015 - Shepard (M)
Guides for the Young by NHunter reviews
Humanity makes an earlier first contact, and with a different race. Thus, the history is changed.
Mass Effect - Rated: T - English - Chapters: 5 - Words: 22,511 - Reviews: 134 - Favs: 529 - Follows: 677 - Updated: 1/28 - Published: 9/24/2015
War's Effects by Achaix reviews
The Solar Rails lead to new, unknown worlds, with new, unknown fates... Humanity has entered the Mass Effect universe in a completely different way Warframe/Mass Effect Crossover
Crossover - Mass Effect & Warframe - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 13,154 - Reviews: 25 - Favs: 95 - Follows: 155 - Updated: 9/25/2015 - Published: 6/26/2015
Mass Effect Turian Militia War by teamaster2 reviews
What would happen if instead of meeting the System Alliance, the First Contact War is waged between the Turians and the IMC/Militia. Rated T for violence and lanaguage
Crossover - Mass Effect & Titanfall - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 3,306 - Reviews: 12 - Favs: 50 - Follows: 72 - Updated: 11/28/2015 - Published: 11/4/2015
Tomorrow's a New Day by Delphi913 reviews
Humanity's entry into the galaxy was not a peaceful one, but they would persevere. They were a race of warriors forged in endless battle, and they would fight to the end to uphold the ideals of their heroes.
Crossover - Metal Gear & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 6,377 - Reviews: 31 - Favs: 122 - Follows: 179 - Updated: 12/1/2015 - Published: 11/3/2015 - Bladewolf, OC, D. Anderson, Shepard (M)
HaloEffect: Rise of The Republic by Fernix13 reviews
When Great War ended, humanity and covenant merged. New formed Republic of Orion Arm is trying to create a war-free civilization, but what will happen when this empire will meet another galactic goverment? Rated T for blood, death etc. Multiverse crossover
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 17,558 - Reviews: 79 - Favs: 288 - Follows: 366 - Updated: 12/24/2015 - Published: 8/24/2015
The Descendants by Mediam Noctem reviews
No one knows what happened. All that is known is the Consequence, the result- Humanity was nearly destroyed, the Solar System corrupted, nothing is what it seems. (AU)
Mass Effect - Rated: T - English - Mystery - Chapters: 3 - Words: 7,114 - Reviews: 49 - Favs: 177 - Follows: 239 - Updated: 12/12/2015 - Published: 10/23/2015
Organic toasters by Brian1972 reviews
The Cylons won the war and fled the nuclear wasteland that once were the 12 colonies. Between the stars they found earth and learned that not all humans hate them. A long time after unification they made contact with the Citadel. Turians were diciplined and First Contact went well until they infromed the Asari Ambasador about their history.
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: T - English - Sci-Fi/Drama - Chapters: 5 - Words: 18,464 - Reviews: 78 - Favs: 168 - Follows: 251 - Updated: 11/2/2015 - Published: 10/15/2015
Rise of the commonwealth re-write by necromantic 247 reviews
This is a re-write of rise of the commonwealth, for those of you who haven't read the original this is a story where humanity rises becomes a commonwealth and their interactions with the council. (I do not own cover image) Poll now closed.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 21 - Words: 44,215 - Reviews: 125 - Favs: 243 - Follows: 304 - Updated: 10/18/2015 - Published: 6/28/2014
Gods and Titans by An Unusual Storyteller reviews
In a galactic community where everything is set and under order, they are unprepared for chaos; for rage; for hate. They will be unprepared for a war with Gods and Titans. The Turian Hierarchy discovers a new space-faring species. Humans. The consequences may be either a new, powerful alliance; or extinction. AU.
Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 6 - Words: 9,383 - Reviews: 91 - Favs: 154 - Follows: 232 - Updated: 1/9 - Published: 9/16/2015
Space in Conflict: Human Assault by Phuripat reviews
Relay 314 is activated and the Turian find Earth in the middle of WW3, the Turian thought they can defeat Earth within a week but they soon found out that they are messing with someone they shouldn't be messing with.
Crossover - Mass Effect & World in Conflict - Rated: T - English - Parody/Humor - Chapters: 6 - Words: 23,791 - Reviews: 42 - Favs: 127 - Follows: 183 - Updated: 12/18/2015 - Published: 6/24/2015 - U. Wrex, Tali'Zorah, Saren A., OC
For the Republic by Wanderer101 reviews
The United Republic of States after 6000 years ascends to the stars. The Council will have to contend with a nation that is better than them in every way. This is kind of a humanity F* Yeah! story. Well what did you expect from a game that lets you build a nation that makes our countries look like boy scout troops. Rated T for "Just in Case..."
Crossover - Civilization Series & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 16,416 - Reviews: 107 - Favs: 397 - Follows: 597 - Updated: 1/31 - Published: 9/28/2015
Gott Mit Uns by Covviz reviews
How will humanity react when one of the most brutal and imperialistic species the galaxy has ever seen attacks them without provocation? Will humanity, somewhat united, be able to stand together against such an invasion? Will Humankind be ultimately forgotten by that cruel and dark endless sea we call space or rise to become a new power? (WW1 German Victory AU)
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 3,694 - Reviews: 17 - Favs: 60 - Follows: 89 - Updated: 10/3/2015 - Published: 9/26/2015
Twist of Fate by TenBackwards reviews
With the Sol Gate finally completed, the GTVA can finally achieve the dream of a reunion with Earth. But instead, the least expected contact occurs, and the GTVA finds the Citadel Council instead of Earth. How will the galaxy react to the sudden appearance of the Terrans and Vasudans? Will contact remain peaceful?
Crossover - FreeSpace 2 & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 9,499 - Reviews: 8 - Favs: 74 - Follows: 112 - Updated: 9/19/2015 - Published: 7/4/2015
The Inheritance of Man by DanishCookie reviews
2253: The Galaxy is embroiled in a tumultuous war, pitting the Citadel against the Krogan and the Batarians. All hope seems lost for the Council, as they lose more and more territory to their enemies. Yet, everything may change with the discovery of a new race; a light in the dark for the Citadel Council. That is, if the humans choose to help in the first place. Massively AU.
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 62,227 - Reviews: 66 - Favs: 253 - Follows: 348 - Updated: 11/15/2015 - Published: 8/8/2015 - Shepard (F), Admiral Hackett, Shepard (M)
All Alone in the Night by Dave19941000 reviews
With no ruins left behind on Mars, Humanity's entry into the galactic stage is delayed by centuries. With an uncertain future before it, Humanity must forge its path and find its destiny among the stars.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 12,428 - Reviews: 43 - Favs: 190 - Follows: 287 - Updated: 9/22/2015 - Published: 3/6/2015
The Star Forge Effect by Llegion reviews
Darth Revan leads the Sith Empire to a new galaxy, bringing with him the greatest space station in the galaxy. What will happen when the Council meets an Empire that refuses to bow to them, with the military strength to reduce them into so much dust? And how will their First Contact go, considering who the Empire is allied with? Rated T for HK-47, you meat-bags.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 17,921 - Reviews: 136 - Favs: 504 - Follows: 685 - Updated: 1/22 - Published: 9/21/2015
Gundam Wing - Shattered Dreams by Gunkatas reviews
After Colony 197. Mankind has once again found peace, thanks to the efforts of the 5 Gundam Pilots and their allies. All Mobile Suits are about to be destroyed, when a chance discovery on Mars halts this decision. This discovery lets Humans finally leave the Solar system and paves a new road, for all mankind. For humanity has found: Mass Effect. Rating now T.
Crossover - Gundam Wing/AC & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 44,680 - Reviews: 89 - Favs: 293 - Follows: 369 - Updated: 11/25/2015 - Published: 9/15/2015
The Tau'va Guides Us by Nice Turnips reviews
It is in the early stages of the 2nd Sphere of Expansion that we discovered the Turians. And it was through the Turians we encountered the Citadel. And it was through them that we found ourselves at war. Though we do not desire conflict. We will fight. And we will win. For we follow the path of the Tau'va, the Greater Good. And that path will lead us to victory.
Crossover - Warhammer & Mass Effect - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 5,744 - Reviews: 13 - Favs: 60 - Follows: 91 - Published: 9/9/2015
The Dragon Queens by Mystborn reviews
Prophesies complete, an immortal Dragonborn and her vampire best friend are left to their own devices. The result? A jointly ruled empire of Nirn that spans the stars. So when Batarians are chased through relay 314 by the Turians into Imperial space, all oblivion breaks loose. How will the Galaxy of Science hold up to the Empire of Magic, Especially one ruled by the Dragon Queens?
Crossover - Elder Scroll series & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 20 - Words: 88,174 - Reviews: 338 - Favs: 781 - Follows: 1,022 - Updated: 1/22 - Published: 2/28/2015 - Dragonborn/Dovahkiin, Serana, Shepard (F)
Halo Mass Effect: The New Dawn by OverLord3475 reviews
Humanity has joined forces with their former enemies to form the OSA, they have formed new alliances that have made them stronger, but what awaits them beyond the relay are they ready for a new chapter? inspired by Halo a new age and HaloMasssEffect: ruptured universe. this is a multicrossover (other franchises).
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 35,850 - Reviews: 83 - Favs: 223 - Follows: 293 - Updated: 12/31/2015 - Published: 7/1/2014 - Master Chief/John-117, Shepard (M)
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: 19 - Words: 75,906 - Reviews: 190 - Favs: 260 - Follows: 350 - Updated: 2/7 - Published: 4/25/2015 - Predator/Yautja, Illusive Man, Councilor Tevos, Councilor Sparatus
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