440 Soon, everyone will hear the screams » by magkiln The Citadel Council doesn't want another conflict. Their reputation rests on their ability to maintain the peace. The Alliance of United Systems doesn't want another conflict. They won the last one, no need to risk spoiling their record. Shepard doesn't want another conflict. The last one was ugly enough. Unfortunately, it seems that some people didn't get the memo.
Aliens/Predator & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 34, words: 150k+, favs: 509, follows: 615, updated: 4h published: 1/31/2018, Predator/Yautja, Alien/Xenomorph, J. Garson, Saren A.
328 Halo: Termination » by IX404 Near the end of the war, the Covenant thought Humanity was finished. Little do they know, is that they will soon meet their worst nightmare: a remorseless, emotionless and utterly relentless machine. It's goals: protect Humanity, and terminate the Covenant.
Terminator & Halo, T, English, Sci-Fi & Drama, chapters: 35, words: 224k+, favs: 281, follows: 311, updated: 19h published: 7/17, The Terminator, Master Chief/John-117, Arbiter, SPARTAN-B312/Noble Six
345Contact » 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: 19, words: 98k+, favs: 1k+, follows: 1k+, updated: 11/23 published: 4/3/2019, Shepard, Councilor Tevos, Benezia
298 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: 7, words: 48k+, favs: 1k+, follows: 1k+, updated: 11/22 published: 5/10/2019, Master Chief/John-117, T. Hood, J. Garson, Admiral Hackett
90 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: 14, words: 41k+, favs: 136, follows: 183, updated: 11/22 published: 1/28
3Mad Effect by phantom00 Over a hundred years after a virus wiped out half of humanity, they made contact with the Citadel. Are humans ready for them or are they ready for us?
Mass Effect, T, English, words: 1k+, favs: 31, follows: 43, 11/22
1k+GATE: OPERATION TIGER STRIKE » by UH-60 NIGHTSTALKER A Gate opens up in the heart of Ginza and the invasion that come leaves thousands either dead, wounded or missing. Little did the invading army realize, it would not be just one nation that would respond to their hostile actions.
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Humor & Adventure, chapters: 59, words: 218k+, favs: 710, follows: 833, updated: 11/21 published: 12/30/2018
81 First Contact » by Riker's Beard This story started out as first contact between the Twelve Colonies of Kobol and an alien civilization when Starbuck is rescued by an alien ship after chasing a Cylon heavy raider in the orbit of a gas giant. I decided to take the story into a completely new direction and it has evolved into something a lot more complex, now containing multiple crossovers.
Battlestar Galactica: 2003 & X-overs, T, English, Sci-Fi & Humor, chapters: 33, words: 52k+, favs: 102, follows: 119, updated: 11/19 published: 7/22/2014
3k+The Secret Diary Of Cameron Baum » by Pjazz Cameron keeps a secret and personal diary of her activities. Next chapter. Cameron writes fanfiction. A simple trip to dispose of garbage becomes a life or death situation.
Terminator: Sarah Connor Chronicles, K+, English, Humor & Drama, chapters: 119, words: 479k+, favs: 862, follows: 835, updated: 11/18 published: 8/5/2008
50Gate: Clarke's Third Law » by Roasted Rowel Hundred centuries after the extinction of mankind and the rise of their bio-engineered descendents, mystical arts has now been accepted as a new branch of physics. In a city of Terra; the once human homeworld, a mysterious portal opened to a primitive realm of concentrated magic. This discovery eventually led to a great interest between the different factions.
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Sci-Fi & Fantasy, chapters: 20, words: 234k+, favs: 93, follows: 110, updated: 11/17 published: 5/12, Lelei, Pina, Rory, OC
80 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: 31, words: 359k+, favs: 140, follows: 160, updated: 11/15 published: 7/13/2018
499The Janus Campaign » by kiyone4ever The invasion of Ginza didn't just affect Japan. It had repercussions far beyond. As an expedition is sent to the other side, there will be civilization and barbarity on both sides. Will we learn from our dark pasts or repeat the same mistakes?
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Adventure, chapters: 66, words: 226k+, favs: 392, follows: 418, updated: 11/14 published: 8/26/2017, Itami, OC, Rose Knights, Third Recon
13 Empires Unite! Milky Way » by SapphireDawn11709 When the SGC Destroys the Quantum Mirror after the incident were Doctor Carter and Major Kawasaki appear in Area 51a ripple was sent across the multiverse. When this ripple hit a Forerunner portal chaos ensues as fleets from three universe appear in the Milky Way. Starship Troopers, Mass Effect, Halo Stargate
Stargate: SG-1 & Halo, M, English, Sci-Fi, chapters: 2, words: 7k+, favs: 74, follows: 106, updated: 11/14 published: 6/24/2019, T. Lasky, S. Carter
4 The conflict of 3 Worlds by Gg1memo After the capture of Raul Remendez, the US thought it could celebrate on its 250 independence day. However, that changes when a stage building appears in Santa Cruz, Boardwalk. What will this building do? How the public will respond?
Call of Duty & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Mystery, words: 2k+, favs: 22, follows: 19, 11/12
71 Worldfall » by Thuktun Flishithy An epistolary work that documents the Race and Fithp Invasions of 2020. Included within are interviews with survivors of the war on all sides, as well as key documents.
Book X-overs & Worldwar series, T, English, Sci-Fi, chapters: 23, words: 179k+, favs: 66, follows: 47, updated: 11/10 published: 9/19/2017
44Gate: War of Two Worlds Part 1 » by PWOFalcon Gate: War of Two Worlds. A Gate story loosely based on the Gate manga/anime. It starts slimier and then goes on its own stories. It is a story when a alien Empire invades Philadelphia through a magical Gate in the year 2025. The US leads a NATO-led war in Humanity first interstellar war. (currently ported from Wattpad, also on Fan Fiction, Webnoval and Royalroad)
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, M, English, Sci-Fi & Fantasy, chapters: 111, words: 548k+, favs: 87, follows: 88, updated: 11/9 published: 5/15, Lelei, Rory, OC, Pina
853Mass Effect: The Iron Heart of Man » by Apollonir [AU] The Illusive Man said that salvation comes with a cost. When corruption seeps into the galaxy, when centuries of status quo suddenly breaks in a mere decade, when blood's spilled among the stars like never before, when extinction looms over civilization, when morality is merely a shade... salvation can only come with sacrifice. [AU First Contact War & Reaper War; GRAPHIC]
Mass Effect, M, English, Sci-Fi & Suspense, chapters: 34, words: 372k+, favs: 1k+, follows: 2k+, updated: 11/9 published: 8/23/2016, Admiral Hackett, Illusive Man, Shepard, OC
94The 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: 11, words: 38k+, favs: 368, follows: 561, updated: 11/6 published: 9/2/2019, Admiral Hackett, Hannah S., Han'Gerrel, Rael'Zorah
498Rebirth of Ares » by J26596 The System Lord Ares crash lands on Earth and takes a new host, sounds simple but no, the host fights back and wins learning everything about the Goa'uld and decides to try and help Earth from out there in the galaxy with a domain at his back, what could go wrong now?
Stargate: SG-1, T, English, Sci-Fi & Adventure, chapters: 35, words: 157k+, favs: 425, follows: 473, updated: 11/6 published: 5/15
573 The Phoenix and the Wolverine » by clavina Q junior's first foray into playing with humanity. So; he decides to throw in a couple of supposedly dead Xmen ; fleeing Colonials ; vengeful cylons and also adds the United Planets of the Federation to the potentially explosive mix !
X-Men: The Movie & Battlestar Galactica: 2003, T, English, Adventure & Romance, chapters: 57, words: 605k+, favs: 440, follows: 506, updated: 11/5 published: 5/9/2012, Jean G., L. Adama/Apollo