35Gate: War of Two Worlds Part 2 » by PWOFalcon As the War of Two Worlds continues, Lieutenant Colonel Jackson Sharpe and the rest of Vanguard-7 must face the new challenges to win the war and lead Vanguard-7 and the rest of Vanguard Rapid Task Force 2 (Sharpe's Rifles) through Falmart. While the Empire has suffered many defeats in the first year of the war, their resolve has only gotten stronger.
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, M, English, Sci-Fi & Fantasy, chapters: 38, words: 261k+, favs: 51, follows: 45, updated: 12h published: 2/4, Lelei, Rory, OC, Pina
64 Halo: A Different Fight » by Cortana0452 This will be my own take on what might happen if Halo and Stargate had a crossover. This will be Diverging from the main Halo Universe, I have great Plans thanks to Cortana (My favourite ever Character) and The Created.
Stargate: SG-1 & Halo, M, English, chapters: 10, words: 28k+, favs: 145, follows: 191, updated: 5/2 published: 7/6/2013
152The Fight we Chose » by DFMRCV "No one starts a war—or rather, no one in his senses ought to do so—without first being clear in his mind what he intends to achieve by that war and how he intends to conduct it."- Harold G. Moore
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Sci-Fi & Fantasy, chapters: 8, words: 205k+, favs: 242, follows: 267, updated: 4/30 published: 9/30/2020, OC, Tyuule
10GATE:The Two Worlds War » by irosokuyammamoto Prince Vernier Holst Wilhelm and his friends, Erik, Dorsch, & Erena, have just graduated from the Royal Prussian Military Academy as Lieutenants. Princess Pina Co Lada is the young Commander of her Rose-Order of Knights. Neither expects to be thrown headfirst into a war they were not taught to fight. (Rewrite of GATE: And So the Central Powers Fought) (Full Summary Inside)
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Romance & Fantasy, chapters: 3, words: 4k+, favs: 36, follows: 44, updated: 4/29 published: 4/7, [OC, Pina] Rose Knights
467Contact » by KE12 AU: Humanity failed to conquer FTL, having no Eezo in Sol, but they did manage to overcome many other technologies which have allowed them to become the masters of their solar system, but what happens when the Citadel Council stumble across them in the year 3517AD? The Citadel wants their technology and Humanity wants out of Sol, but can a deal be struck? Heavy! focus on FC aspects
Mass Effect, K+, English, Sci-Fi, chapters: 26, words: 137k+, favs: 1k+, follows: 1k+, updated: 4/28 published: 4/3/2019, Shepard, Councilor Tevos, Benezia
109 The Final Circle » by Sufficient Velocity This is a Babylon 5 centered tale. It explores a BSG style exodus due to the loss of the Earth Minbari war. It becomes a crossover with nBSG as of Interlude 1 before Part 2 begins. If your desire is only to read a Battlestar Galactica fic, feel free to start there. There may be changes to the timeline for plot purposes, but I am trying to build on canon not alter it, if I can.
Babylon 5 & Battlestar Galactica: 2003, K+, English, Sci-Fi, chapters: 34, words: 395k+, favs: 164, follows: 196, updated: 4/27 published: 7/13/2018
106The Morrigan Effect » by atomicsub927 A Reimagining of the Systems Alliance, where humans never found the prothean ruins on mars. We don't have access to reality breaking laws of the Mass Effect. We fought tooth and nail for every technology we have. And now we show our true faces as we stand alongside our quarian allies in the First Contact war, and beyond. As Realistic as I can make it and prepare for many cameos.
Mass Effect, M, English, Sci-Fi & Adventure, chapters: 12, words: 41k+, favs: 414, follows: 647, updated: 4/26 published: 9/2/2019, Admiral Hackett, Hannah S., Han'Gerrel, Rael'Zorah
507 Adeptum Effectus » by Reddevel360 "Killing a man will harden you. Fighting a war against genocide will harden a species. Why are we so ruthless Councilor? Because when fighting for your very existence, anything is acceptable." - Lord Hood. Featuring a Humanity that discovered the archives on Mars in the midst of fighting an war for their very survival, a war that destined to be a massacre turns into a stalemate.
Halo & Mass Effect, M, English, Sci-Fi & Tragedy, chapters: 10, words: 66k+, favs: 1k+, follows: 2k+, updated: 4/25 published: 5/10/2019, Master Chief/John-117, T. Hood, J. Garson, Admiral Hackett
456Summoning Freedom » by MGrex The United States of 2040s has been transported somehow into another world. With no way to contact their allies, the country now must establish it's self in this mysterious world. However, many dark forces are in the works, and the United States will have none of it, and will bring peace and stability to this world.
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Fantasy & Adventure, chapters: 23, words: 91k+, favs: 212, follows: 231, updated: 4/24 published: 2/22, OC
133 7th Fleet Lost (rewrite) » by L4 of the WEST What happens when ships from the Terran Federation of the Starship troopers universe to use the modern term get Isekai in the Stargate universe?
Stargate: SG-1 & Starship Troopers, M, English, Sci-Fi & Adventure, chapters: 21, words: 84k+, favs: 144, follows: 168, updated: 4/24 published: 9/19/2019
452 Unintended consequences » by fanfictionfanaticX A small change in the past by SG-1 may have unexpected side effects for the rest of the galaxy.
Stargate: SG-1 & Battlestar Galactica: 2003, T, English, chapters: 19, words: 401k+, favs: 560, follows: 790, updated: 4/22 published: 6/17/2018
349 Into the Void: SG-1 » by Brenna's Urbangirl Projects On that fateful Halloween night. Buffy, Xander, Willow and Joyce would be given a new destiny. Along with that destiny they would be given a starship and a space station in which to help fight the Goa'uld.
Buffy: The Vampire Slayer & Stargate: SG-1, T, English, Sci-Fi, chapters: 60, words: 285k+, favs: 736, follows: 938, updated: 4/19 published: 5/15/2014, [Buffy S., Willow R.] Xander H., Joyce S.
24Mass Effect: Human Effect » by Clockwork Dragonfly Humanity evolves far away from the relay network and thus do not fall for the many traps of the reapers
Mass Effect, T, English, Sci-Fi, chapters: 7, words: 20k+, favs: 88, follows: 104, updated: 4/19 published: 3/30
12 Celeste » by Amelia E. Adler Continuation of Midnight Blue, Azure, and Shades of Blue: Intermission. After returning to her own timeline, Alice Boyd has to deal with the fallout. Chasing and confronting her nemesis will only be a part of her struggle; more than anything, she will have to face her own emotions, and who knows where they'll lead her in the end... OC with no AU - futurefic.
Stargate: SG-1 & Stargate: Atlantis, T, English, Sci-Fi & Adventure, chapters: 4, words: 25k+, favs: 19, follows: 25, updated: 4/18 published: 3/4
264 Element Halo » by Iron Warriors When we started to expand past the Orin Arm of the Milkyway, we didn't know what to expect. Once we were out there though, things changed big time. For those brief 30 years we were the top dogs of the galaxy in all powers but like always when humanity reaches a higher seat of power, something always comes to make us fall... This time however the fall will cost our entire race.
Halo & Mass Effect, T, English, Sci-Fi, chapters: 24, words: 87k+, favs: 555, follows: 795, updated: 4/15 published: 12/11/2017, OC
264 The Horizons Beyond » by JJ2161 When two worlds with predefined mindsets, knowledge, and ideals have to throw all of that out the window after contacting a new player. Humanity. (Babylon 5/Mass Effect AU crossover with a Star Trek-based Humanity and Stargate-based Precursors)
Babylon 5 & Mass Effect, T, English, chapters: 18, words: 151k+, favs: 499, follows: 627, updated: 4/15 published: 9/29/2017
128Mass Effect The War for Freedom: Genesis » by VioletMyWaifu No matter the age. No matter the place. The deeds of men remain unchanged. These are the words that rang true for every species throughout history. For decades, the human race was embroiled in war first between themselves and next with aliens. This is the beginning of a new age, where heroes would be made, who would in turn, forge a new age in the pages of history.
Mass Effect, M, English, Sci-Fi & Adventure, chapters: 6, words: 74k+, favs: 332, follows: 427, updated: 4/14 published: 9/20/2019, U. Wrex, D. Anderson, Admiral Hackett
1k+ Gate: Thus the Dominion Fought There » by TheWatcher2785 After two years of peace and prosperity, a mysterious gate had opened on Korhal within the capital city of Augustgrad. From it, invaders emerge straight out of medieval times as they bare threats of slavery and death to the Terran world they had set foot on. But they were soon going to learn they had picked a fight with the wrong people. R&R please.
StarCraft & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Fantasy & Sci-Fi, chapters: 32, words: 154k+, favs: 1k+, follows: 1k+, updated: 4/14 published: 4/4/2016
3k+ From the Ashes » by erttheking Even after seeing their world burned, Humanity was able to stand up again, and push beyond their pre-war status and reach the heavens. But how will a hardened Humanity handle life among the stars? And how will others react to this aggressive newcomer?
Fallout & Mass Effect, T, English, Sci-Fi & Romance, chapters: 119, words: 922k+, favs: 2k+, follows: 2k+, updated: 4/13 published: 5/17/2012
118 Thus The EDF Deployed There » by EclipsePheniox 10 years after the Aggressors left earth, peace rained until a Gate appears in Ginza Japan. Now the Earth Defence Force mounts an invasion to the Special region. How will the Empire respond to a military that has face giant bugs and other terrors? Would you like to know more?
Earth Defense Force & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Adventure & Sci-Fi, chapters: 18, words: 54k+, favs: 193, follows: 258, updated: 4/13 published: 1/28/2020