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Alternate First Contact War
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Focus: Games Mass Effect, Since: 01-19-11
Founder: Relvain Jenafuse - Stories: 340 - 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

Sudden Contact by A Very Thirsty Megalomaniac reviews
A Protoss fleet accidentally activates a mass relay while pursuing some scavenger hicks. An ambitious admiral on earth watches eagerly and decides to capitalize. The Council is forced to deal with a belligerent sector of space they didn't even know about. And the Overmind, upon seeing all of these new races and habitable worlds...does what it always does.
Crossover - StarCraft & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 6 - Words: 18,571 - Reviews: 21 - Favs: 42 - Follows: 69 - Updated: 3/2 - Published: 2/9
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: 4 - Words: 29,898 - Reviews: 102 - Favs: 228 - Follows: 328 - Updated: 2/22 - Published: 1/25 - J. Cutter, Admiral Hackett
Affinity Effect by Drow79 reviews
We left Earth in the hopes of finding a new home. Now we come back and are shocked at what we find.
Crossover - Civilization Series & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 12,884 - Reviews: 71 - Favs: 161 - Follows: 229 - Updated: 2/24 - Published: 2/3
Clash of Empires: Reclaimer War by HD-spartan reviews
The USFA with the help of a Precursor Artefact have achieved intergalactic travel and have begun to colonies new worlds. The Turian Hierarchy discover an new race and move to suppress them. The wheels of fate are turning and soon the Reclaimer will bring fire to this new galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 31,593 - Reviews: 428 - Favs: 631 - Follows: 807 - Updated: 6/28/2013 - Published: 7/8/2012 - Master Chief/John-117, Kelly-087, Shepard (F), Garrus V.
A Terraformer's Tale by EgotisticalIndustries reviews
When eezo is completely missed by humanity and they get an extra 100 years to develop, they're far more noticeable on the galactic stage. This is despite the Mass Effect side running on Over Analysis rules, and therefore being much more powerful. Add to that some culture shock, and you've got a recipe for either disaster or awesome and I'm not sure which!
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 19,843 - Reviews: 48 - Favs: 124 - Follows: 183 - Updated: 2/9 - Published: 1/22
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: 7 - Words: 65,916 - Reviews: 257 - Favs: 379 - Follows: 446 - Updated: 2/21 - Published: 1/13
Halo Effect: Contact by AlicediAngeloDaughterofHades reviews
The Human-Covenant war has finally come to an end. With the Arbiter leading the Covenant Freehold and a more United humanity the galaxy finally seems on it's way back to peace. Only a special object barried in ice threatens to change everything.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 3 - Words: 8,038 - Reviews: 38 - Favs: 115 - Follows: 173 - Updated: 1/29 - Published: 1/13
The Road Not Taken by nomadeagle reviews
What if humanity progressed on a different path, a path more focused on science, and understanding the universe. What if this path followed the path the Ancients took. And what if this humanity met the Mass effect races.
Crossover - Mass Effect & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 7,594 - Reviews: 86 - Favs: 379 - Follows: 558 - Updated: 11/4/2014 - Published: 9/7/2014 - Shepard (M)
Spare the Scythe, Suffer the Anvil by Biskoff reviews
When the many species set foot into the galaxy, they learned a shocking truth. 50,000 years ago a war had destroyed galactic civilization. There is no Relay Network connecting the galaxy. There is no seat of interstellar government. There is only a constant struggle for domination as each race competes against their neighbors. But a new group of enemies threatens the status quo.
Mass Effect - Rated: T - English - Chapters: 1 - Words: 4,624 - Reviews: 13 - Favs: 68 - Follows: 89 - Published: 3/22/2014
The Next Age by Biskoff reviews
The galaxy is vast, ancient, and dangerous. The younger races do not realize just how true this is. They are unaware of the giants that walk among the stars and the monsters that wait in the endless dark. But they will learn... or they will fall. For the next Age is coming.
Crossover - Babylon 5 & Mass Effect - Rated: T - English - Chapters: 3 - Words: 22,505 - Reviews: 23 - Favs: 79 - Follows: 100 - Updated: 1/27 - Published: 1/6
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: 5 - Words: 11,351 - Reviews: 62 - Favs: 193 - Follows: 281 - Updated: 12h ago - Published: 1/6 - Master Chief/John-117, T. Hood
Ave Gaia by Lavaflow reviews
Shanxi has been attacked by aliens. General Williams sees no option but eventual surrender. The magical world has... other ideas.
Crossover - Harry Potter & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 4,283 - Reviews: 87 - Favs: 404 - Follows: 604 - Updated: 12/31/2014 - Published: 12/30/2014 - Harry P.
Just Another Tuesday by BrightestDarkness reviews
In the year 2154, the citizens under the Council suffered a rude awakening when they were assaulted by strange foes beyond imagining, and were aided by mighty allies, who operated beyond reason. The civilizations of the galaxy called this event the most unexpected discovery of all time. The humans called it Tuesday. AU/Fusion.
Crossover - Marvel & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 4 - Words: 23,643 - Reviews: 90 - Favs: 198 - Follows: 231 - Updated: 1/19 - Published: 12/9/2014
The Rise of The Roman Empire by Covviz reviews
Not only did the Roman Empire survive but it conquered the world and expanded into the stars. After meeting alien life what will happen to Rome? Will it finally fall on its own weight as it was meant to millennia ago or will it live to run another day?
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,548 - Reviews: 13 - Favs: 63 - Follows: 82 - Published: 12/8/2014 - D. Anderson, Illusive Man, Shepard (M), Hannah S.
Mass Effect: The New Journey by Arashi the Solar Phoenix reviews
During a Joint Deployment, the UNSC Infinity and Her Sangheili allies are suddenly thrown into a new Galaxy, and end up near Charon before the Systems Alliance discovers the Charon Relay. Alliances are forged and how will the galaxy react to an aggressive humanity that not only doesn't use Mass Effect technology, but will not let anyone stand in their way of expansion? AU PreME1
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 115,650 - Reviews: 855 - Favs: 1,228 - Follows: 1,543 - Updated: 3/1 - Published: 1/26/2014
mass effect Ascendance by random guy 205 reviews
Humanity didn't reach the stars peacefully. that future never came to pass. After warring for nearly fifty years in the stars they encounter the turians using both primitive and advanced tech the galaxy will never be the same rated T because i am extremely paranoid
Mass Effect - Rated: T - English - Chapters: 3 - Words: 2,331 - Reviews: 6 - Favs: 45 - Follows: 67 - Updated: 10/13/2014 - Published: 9/17/2014
Newcomers by Didd23 reviews
Humanity (as usual) collapses before it bounces back and becomes even stronger, this is a story of humanity's introduction, and yes, the eventual war with the Reapers.
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 10,869 - Reviews: 31 - Favs: 135 - Follows: 220 - Updated: 12/24/2014 - Published: 12/1/2014
Mass Effect: A journey through the Eons by Casje reviews
When a strange device capable of remarkable feats is found in the Martian ruins, the course of humanity's history changes forever. The resulting leaps and bounds in technology leave humanity well prepared to deal with the rest of the galaxy. AU
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 27,951 - Reviews: 205 - Favs: 465 - Follows: 600 - Updated: 2/9 - Published: 11/17/2014
In The Path of Giants by BeggerAfterKnowledge reviews
Opening a dormant relay is not something anyone really plans for, then again neither is being hunted by Batarian pirates.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 6,576 - Reviews: 77 - Favs: 257 - Follows: 410 - Updated: 11/16/2014 - Published: 1/24/2014
Roma Invicta by InTheEyesOfTheUnseenOne reviews
"12CE: Sextus Terentius, a middle class Alchemist mixes Saltpeter, Sulfur and Charcoal. He mixed it in with water, but did not find what he wanted to find (AKA turning a peace of lead into gold) and tossed the mixture into a fire." By some chance of fate the Romans acquire gunpowder in the first century. They never fall and uncover the Prothean relics on Mars.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 8,531 - Reviews: 133 - Favs: 350 - Follows: 498 - Updated: 12/24/2014 - Published: 11/12/2014 - Councilor Tevos, Councilor Sparatus
The Solar Union by Biollante reviews
When the Earth rises above the menace of destruction (for the most part), life is good. Then everything falls apart again, and the oldest organization known to the Solar Union must rise to the challenge and work with the beings that were once its enemies. Welcome to the Galaxy. Please enjoy your stay.
Crossover - Godzilla & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 11,587 - Reviews: 16 - Favs: 48 - Follows: 77 - Updated: 10/22/2014 - Published: 10/8/2014 - Jet Jaguar, OC, Shepard (F), Liara T'Soni
Unknown: Everything Will Change by Black Shield INC reviews
In the year 2556 the small yet prospering U.N.S.C colony world of Shanxi is attacked by an unknown species. The events that followed will change everything for both the U.N.S.C and their Allies. I do not own Halo or Mass Effect both games belong to there respective owners.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 2 - Words: 9,607 - Reviews: 36 - Favs: 110 - Follows: 169 - Updated: 12/6/2014 - Published: 10/11/2014 - Rookie
Red Alert: Mental Effect by Mental Omega reviews
Mankind is divided between those who are mutated by Tiberium, those who fly under the banner of the union of the Soviets and Allies, and those who follow Yuri. The Scrin are out there, waiting. The galaxy adjusts to a new paragdim as the science of Tiberium and Element Zero collides. And dolphins can talk. The story of Red Alert now takes to the stars in this daring fusion.
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 32,335 - Reviews: 10 - Favs: 44 - Follows: 52 - Updated: 12/18/2014 - Published: 11/3/2014 - Yuri, Shepard (F), Shepard (M)
Mass Effect: Synthesis by Jade Tatsu reviews
"To the Sol Alliance and all of Humanity, greetings. I am Harbinger and I have traveled across the galaxy to meet you." Shepard wasn't the first to reach the Catalyst, eons ago, someone else did and they chose synthesis, embedding the desire in the Reapers. They've searched for organics to merge with ever since and now they've found them. AU, First Contact, Humans / Reapers
Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 28 - Words: 149,248 - Reviews: 922 - Favs: 772 - Follows: 911 - Updated: 21h ago - Published: 11/5/2014 - Shepard (F), Harbinger, Garrus V., Saren A.
Ragnarok by Willibaldvonsomething reviews
For nearly two hundred years, the Holy Britannian Empire of Humanity has been at peace under the rule of the Twin Emperors. They have risen to the stars, colonized planets like explorers of old. But finally, after seven decades of solitude, have they made contact with another race? Is war once again on the horizon? Will mankind stand against those who wish to oppress them? Hiatus
Crossover - Code Geass & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 6,742 - Reviews: 21 - Favs: 118 - Follows: 173 - Updated: 10/30/2014 - Published: 10/28/2014 - Jeremiah G., Lelouch L., Schneizel E.B.
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