2k+ Enduring the Flames of War » by Masterdude21 A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Halo & Mass Effect, M, English, Sci-Fi & Horror, chapters: 41, words: 585k+, favs: 3k+, follows: 4k+, updated: 9/9 published: 11/30/2015, Master Chief/John-117, OC, Shepard
533 RECOMPOSƎ » by Ladywolvesbayne [EXTRA CHAP ADDED] Between H4/H5: After a year of leave, John is stationed on the UNSC Infinity. A human female with the looks and wits of Cortana is captured trying to infiltrate the ship, but she's not the only version of herself that has escaped Death, and the Universe is now a far more dangerous place to live in. BIG PLOT MCxC slow-burn - Human!Cortana vs Rampant!Cortana
Halo, M, English, Romance & Sci-Fi, chapters: 44, words: 240k+, favs: 614, follows: 619, updated: 9/7 published: 3/15/2015, Master Chief/John-117, Cortana, S. Palmer, T. Lasky
537 GATE: Of Dragons and a Spirit of Fire » by Pkd Few years after the events of Halo Wars, the UNSC Spirit of Fire finds themselves above the orbit of a unknown world without any clue to where they are and what brought them here. Faced with a new obstacle the crew of the Spirit of Fire descends upon the world where they meet new allies and enemies, along with an relic of the past, as they try to find a way back home.
Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Adventure & Fantasy, chapters: 30, words: 64k+, favs: 1k+, follows: 1k+, updated: 9/5 published: 1/26/2018, J. Cutter, E. Anders, OC, Third Recon
1k+ The Reclamation » by Fade Maybe Through ONI's manipulation, the UNSC stumbles upon a Mass Relay and is dragged into a new war. They'll discover the battered races of the Citadel, the political intrigue of its factions, and a second group of humans governed by the Systems Alliance, divided by Cerberus, and lead by Commander Shepard. Yet no one can stop what is to come: the Reclamation, and the death of the galaxy.
Halo & Mass Effect, T, English, Adventure & Sci-Fi, chapters: 51, words: 388k+, favs: 1k+, follows: 2k+, updated: 8/22 published: 3/13/2013
166 The Patchwork Prodigy » by DMenace After the tragic events of Breach, Team RWBY was left recovering in the hospital, but with the Vytal Festival Tournament drawing near their young leader must get back on her badly injured feet to prepare them both physically and mentally for a long road paved in uncovered secrets and painful memories. Sequel to the Volume 2 pseudo-novelization "The Petals Scatter Now".
RWBY, T, English, Adventure & Hurt/Comfort, chapters: 44, words: 400k+, favs: 288, follows: 378, updated: 8/3 published: 3/21/2016, Ruby R., Weiss S., Blake B., Yang X.L.
295Generation STRQ watches the Future » by Sondow23 Team STRQ and others have been pulled into a strange place, they are going to see how the future unfolds, so that they may change it.
RWBY, T, English, chapters: 13, words: 45k+, favs: 1k+, follows: 1k+, updated: 7/13 published: 6/13/2017, Summer R., Team STRQ
86When Worlds Collide » by Modern Military Power Two worlds become connected through unknown means. One world led by a far more liberal United States, the other where the Axis Powers won the Second World War. Realizing what is at stake, the two worlds will clash in a titanic struggle that will decide the fate of those in both worlds!
Man in the High Castle, M, English, chapters: 5, words: 20k+, favs: 131, follows: 147, updated: 6/7 published: 3/22/2020, Kido, N. Tagomi, John S.
513 Voyage unto Infinity » by supertruckin The USS Voyager comes face to face with the massive ship that is the UNSC Infinity after Voyager's nearly fatal first test of their quantum slipstream drive. Getting home isn't their only issue. They will have to work together in order to unravel the ancient threat that plagues the new galaxy that they find themselves in. Star Trek:Voyager, Mass Effect, and Halo triple crossover
Mass Effect & Halo, T, English, Sci-Fi & Adventure, chapters: 14, words: 74k+, favs: 1k+, follows: 1k+, updated: 3/31 published: 4/10/2019, Master Chief/John-117, Cortana, Shepard
3k+ To Infinity » by creamofwheat2311 After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 53, words: 473k+, favs: 5k+, follows: 6k+, updated: 3/30 published: 10/9/2013, Master Chief/John-117, Arbiter, T. Lasky, Shepard
47Manifest Destiny: An Empire of Dirt » by BlueWay "War is the motherfucking answer." - Cpl Josh Ray Person, Generation Kill - A Manifest Destiny rewrite.
Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Adventure & Tragedy, chapters: 7, words: 85k+, favs: 150, follows: 168, updated: 3/21 published: 12/7/2019
385 Rise of Leviathan » by BlackAdder42 "In the end, it isn't hope that called out to me. Not the desire for someone to save them, to give them mercy. I failed at that once, and would never be able to answer that call. It was vengeance. The simple human need to make sure that whoever hurt you, whoever hurt those you love, will never be able to do so again. To ensure that even should you die, that your enemies would too."
Halo & Kantai Collection, M, English, Supernatural & Sci-Fi, chapters: 34, words: 133k+, favs: 849, follows: 1k+, updated: 12/2/2020 published: 11/13/2016, OC
127The Fate We Choose (Hope's White Rose Week 2019 Collection) » by HopeOfMorning910 It should have been a quiet evening. Instead, Weiss finds herself ambushed by a team of vampire hunters and chased through the city. When chance brings her to a rather cheap-looking apartment building, she is saved by the most unexpected individual—a silver-eyed young woman with secrets abound. Who is she? What is she? And why do the mysterious fae seem to favor her?
RWBY, M, English, Supernatural & Romance, chapters: 7, words: 145k+, favs: 211, follows: 261, updated: 10/7/2020 published: 6/9/2019, [Ruby R., Weiss S.] Winter S.
34The Broken Engineer » by M10m gas mask soldier Following their escape of Titan Station, Isaac and Ellie find themselves against not only the ever-tightening grip of the corrupted EarthGov but also against an ancient menace that cannot be satisfied until it consumes all traces of humanity in the Universe. Seemingly alone, they must find a way to not only survive but also stop the extinction of the human race. AU post DS2.
Dead Space, M, English, Horror & Hurt/Comfort, chapters: 7, words: 39k+, favs: 51, follows: 45, updated: 7/31/2020 published: 5/8/2015, [Isaac C., Ellie L.]
62 Demon of the Skies » by wisegirl502 Jason Banks became a mercenary for Ustio when he dropped out of the Belkan Air Force because of the Rald Party's growing power. When Belka started taking over all the surrounding lands, it was Jason and his wingmen that stopped them and changed the tide of battle. Until ten years later, no one knew it was him. Now he's choosing to tell his niece and nephew. This is his story.
Ace Combat, T, English, Adventure & Friendship, chapters: 29, words: 162k+, favs: 84, follows: 85, updated: 7/11/2020 published: 2/9/2013
81Fortiter in Infinitum » by GamerDroid56 The UNSC Infinity: The most powerful ship in the galaxy. While hiding from Cortana and M'dama's remaining forces, damage results in a malfunction in the Infinity's slipspace drive. Rather than wiping the ship from existence, however, the ship is instead sent back to Earth... Just not their Earth. Will the Infinity end the Human-Covenant War early, or cause a worse evil to emerge?
Halo, T, English, Sci-Fi & Adventure, chapters: 6, words: 15k+, favs: 234, follows: 295, updated: 6/11/2020 published: 10/29/2019, Master Chief/John-117, T. Hood, Cortana, T. Lasky
60 Whispers of Saturn » by GrandLeviathan Enterprise was born to protect. That was her goal, and her reason for existing. She trained to be strong, she planned wisely; she did everything she could to make sure they would be protected. However no amount of planning could anticipate a meteorite crashing in your front yard... nor all the eldritch chaos that followed it. [AU] [Lovecraftian]
Azur Lane/碧蓝航线, M, English, Mystery & Romance, chapters: 33, words: 301k+, favs: 88, follows: 90, updated: 5/30/2020 published: 11/14/2019, Enterprise
1k+ When Destiny burns » by Masterdude21 After a UNSC fleet fell prey to an ancient Forerunner scheme, a lone Spartan is left stranded in a world that he doesn't understand. Inadvertently bonded to a dragon, he is marked him as but a pawn in a new conflict. He must fight for his life and overcome his own nature to gain allies in a world where nothing makes sense. (In the process of a rewrite)
Halo & Inheritance Cycle, M, English, Sci-Fi & Fantasy, chapters: 51, words: 601k+, favs: 1k+, follows: 1k+, updated: 5/18/2020 published: 4/16/2014, OC, Eragon S., Arya
133 Gate - Bad Company Coming » by Gunkatas One year after the events of Battlefield Bad Company 2, peace has been achieved. As the four members of Bad Company return to the U.S., a mysterious Gate opens up in Seattle. It is up to the U.S. Forces to fight these strange new creatures and explore a new world.
Battlefield & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, M, English, Humor & Adventure, chapters: 4, words: 55k+, favs: 372, follows: 398, updated: 4/22/2020 published: 5/3/2016, G. Haggard, P. Marlowe, S. Redford, T. Sweetwater
111 Dead Heroes » by 0miicron In one final effort to push back the Covenant on Reach, Noble Six is caught up in a world consumed in suffering.
Halo & Goblin Slayer/ゴブリンスレイヤー, M, English, Fantasy & Sci-Fi, chapters: 4, words: 27k+, favs: 452, follows: 588, updated: 4/7/2020 published: 2/18/2019, SPARTAN-B312/Noble Six
54Six » by Matteoarts It's been years since the fall of Spyglass. Ships are being attacked by an unknown entity, and the only link they have is the number six. As Gray and her team of 'Ghosts' attempt to connect the pieces of the puzzle, they begin to unravel a dark plot spanning decades. They must race to discover answers, knowing that what they find will change the frontier forever. (GHOSTS - BOOK 1)
Titanfall, T, English, Sci-Fi & Adventure, chapters: 10, words: 31k+, favs: 51, follows: 59, updated: 4/5/2020 published: 10/9/2018