361 Remnants of a Courier » by Shadow Amongst Shadows The Courier had always been driven to do better. To make the Mojave a safer place for all. He defeated House, the NCR, and the Legion. But after being turned on by those he trusted, he went to use desperate measures. His plan failed and he was transported to a new and foreign land.
Fallout & RWBY, T, English, Adventure & Sci-Fi, chapters: 49, words: 262k+, favs: 1k+, follows: 1k+, updated: 12/6 published: 9/9/2018, Courier, Ruby R., OC
1k+ Dust in the Wind » by Buried In Ash Choosing isn't the hard part. It's living with the consequences afterwards.
Fallout & RWBY, M, English, Adventure & Humor, chapters: 56, words: 564k+, favs: 2k+, follows: 2k+, updated: 11/27 published: 11/27/2017, Courier, Team RWBY, Team JNPR, Team CFVY
1k+ The Men From Onyx » by kpmh2001 A UNSC frigate is sent into another dimension after a disaster with their slipspace drive. Now lost in unknown territory, they must attempt to befriend the population of a local planet of strange humans under constant siege from an army of monsters. Consider this a minor AU as there are some slight differences, but everything major is still in the same place.
Halo & RWBY, T, English, Drama & Sci-Fi, chapters: 89, words: 562k+, favs: 1k+, follows: 1k+, updated: 10/17 published: 1/13/2019, Ruby R., Ozpin, J. Ironwood, Winter S.
325 Bye Bye Love » by Astevalus With Mr. House overthrown, the NCR and Legion driven out, and the Mojave unified into an independent nation, the Courier can finally enjoy peace... or at least that was the plan before a Think Tank experiment sent him to a new world, one filled with strange mutants.
Fallout & Monster Girl Encyclopedia, M, English, Adventure & Fantasy, chapters: 19, words: 108k+, favs: 712, follows: 986, updated: 10/13 published: 8/3/2020, Courier, ED-E, Druella, Saphirette S.
529 Mass Effect: Galaxy at war » by palik A Citadel Exploration fleet filled with people the council didnt want around discovers something that will change the face of Citadel Space forever. The council will experience a crash course in the fight for survival (abandoned)
Halo & Mass Effect, M, English, Sci-Fi, chapters: 29, words: 84k+, favs: 1k+, follows: 1k+, updated: 10/5 published: 6/18/2020
221 Some Things Never Change » by The Great Wizzard Courier Six has had enough. His companions have abandoned him, assassins hunt him wherever he travels, and despite everything he has done for the Mojave and it's people he has received no thanks and was even demonized for his actions. Alone in the Big Empty while trying to drown his worries in alcohol and chems, Six abandons his world only to find himself stuck in another.
Fallout & RWBY, M, English, Humor & Tragedy, chapters: 30, words: 330k+, favs: 404, follows: 537, updated: 9/30 published: 11/10/2020, Courier, Salem, Ozma
4k+ Wolves That Walk Alone » by TheManThatWalksTheAbyss115 There's always been growing legends in Remnant. Some of fearless warriors and others of horror, but there's one that's recently been picked up by the inhabitants. A legend of a man who was more akin to a wolf without a pack, barely speaking and doing his deed before leaving without a trace. After all... some people just want isolation rather than company.
Halo & RWBY, M, English, Sci-Fi & Adventure, chapters: 43, words: 345k+, favs: 3k+, follows: 4k+, updated: 9/27 published: 5/8/2019, SPARTAN-B312/Noble Six, L. Ren, Nora V.
292Ragnarok! » by Dragon1990 Theo was your average nerd from South Portland Maine until he was swept up and taken to another world. Now he must go on a journey to not only find out how he even got there but also how he's going to get home again. But before he even gets home, he's gonna get laid...A lot actually. Rated M for Graphic Lemons, Violence and Strong Language so Mature Readers Only Please!
Monster Girl Encyclopedia, M, English, Fantasy & Romance, chapters: 23, words: 205k+, favs: 551, follows: 662, updated: 8/18 published: 8/12/2018
787 Fallout: Stranded » by yaboi346 Courier Six was beginning to fall into inaction after the Second Battle for Hoover Damn, but when a tech retrieval job goes wrong, he is forced to act in order to survive this strange new world he finds himself in and maybe even help it through its own war. Because war...war never changes...
Fallout & Monster Girl Encyclopedia, M, English, Adventure & Fantasy, chapters: 51, words: 262k+, favs: 1k+, follows: 1k+, updated: 8/4 published: 6/17/2020
14 Monster girl Encyclopedia: World at War » by Darth Starsky This is not an actual Story. But It's an RTS Datasheet. Well, what happened if MGE were an RTS game? Meet Order of the Chief God, The fanatic purifier. Royal makai, the love hunger. Zipangu Union, the equalizer. JSF the Freedom Fighter. Cirno contingency the Baka and more! Now with Campaign! The tension turns into conflict. the conflict turns into war. Welcome General...
Monster Girl Encyclopedia & X-overs, T, English, Sci-Fi & Horror, chapters: 15, words: 31k+, favs: 20, follows: 20, updated: 5/18 published: 12/2/2020
296The Second XCOM Viper » by The Imperator 2 you With the Vipers now openly rebelling against Advent, XCOM's fight against Advent seems to have gained momentum. However, as new shadows rise to break the will of the resistance, the Commander himself now finds it difficult to maintain his high confidence and will. With a growing sense of self doubt, can the Commander fight not only Advent, but also to keep his humanity?
X-Com, M, English, Adventure & Drama, chapters: 16, words: 111k+, favs: 467, follows: 565, updated: 1/9 published: 6/6/2017
723 Mass Effect: Trailblazer » by TallYapflip Humanity, left to its own devices for centuries, comes into contact with the Citadel Council. A misunderstanding leads to hostile first contact, and the UNSC is drawn into war with the Council shortly after the Insurrection's height. The Council finds itself face-to-face with a species that has broken the shackles of Mass Effect Technology. The Era of Humanity has only just begun.
Halo & Mass Effect, M, English, Sci-Fi & Adventure, chapters: 15, words: 73k+, favs: 2k+, follows: 3k+, updated: 11/27/2021 published: 7/14/2017, Master Chief/John-117, J. Keyes, Miranda L., Shepard
335 The 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: 13, words: 326k+, favs: 574, follows: 513, updated: 9/30/2021 published: 9/30/2020, OC, Tyuule
77 Reckoning of the Reclaimers (Being Rewritten) » by metts101 The Great War turned Humanity into something ugly. Their species' brush with extinction left a bitter taste in their mouths and they sought to rectify that the only way they knew how. Revenge. With the the subjugation of the Former Covenant species Humanity vowed never to fall to the alien again, but will an Alliance of Alien species change their outlook on the galaxy?
Halo & Mass Effect, T, English, Sci-Fi, chapters: 6, words: 41k+, favs: 295, follows: 385, updated: 9/22/2021 published: 11/14/2020
604 Once a Rookie, Always a Rookie » by Twisted Fate MK 2 (Credit to Adrasos on Archive and his story, Prepare to Drop, for the idea.) On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, while Shepard tries to find and rescue the new Primarch. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix.
Halo & Mass Effect, T, English, Adventure, chapters: 62, words: 293k+, favs: 1k+, follows: 1k+, updated: 7/31/2021 published: 9/27/2018, Rookie, Shepard, Javik
182 The Boy and the Queen » by SCBM A boy, coming home one night in the rain, has a rather unusual run-in with a Xenomorph Queen that will change his life and the world of Solaris forever. (F!XenomorphQueen x M!Human)
Aliens/Predator, M, English, Romance & Sci-Fi, chapters: 19, words: 203k+, favs: 364, follows: 303, updated: 6/1/2021 published: 2/21/2018, Alien/Xenomorph, OC
224 Dead Space: Ordination » by PyroFox117 AU. On the USG Ishimura, screams of the living have been supplanted by roars of the dead. Curtis, a miner, is one of the few still clinging to life within, and desperate to escape. The Marker, however, is not easy to elude. On his quest, he encounters survivors from the colony, a Unitology-hating engineer, and a Necromorph with her own agenda. OC X Fem!Stalker
Dead Space, M, English, Horror & Sci-Fi, chapters: 29, words: 333k+, favs: 205, follows: 186, updated: 4/25/2021 published: 7/6/2017, [Nicole B., OC] Isaac C.
294A Captive Viper » by Nikolaides A Viper is taken down and taken captive by a team including Sniper Corporal 'Zero' on a mission to destroy an Advent radio transmitter. After Dr. Tygan refuses to experiment on a live subject, everyone, the Commander included, is unsure of what to do with their new hostage.
X-Com, M, English, Adventure & Romance, chapters: 29, words: 313k+, favs: 578, follows: 655, updated: 4/21/2021 published: 9/13/2017, OC
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: 66, words: 244k+, favs: 1k+, follows: 1k+, updated: 1/10/2021 published: 12/30/2018
74Lost Romantics » by BlackAtomWendigo A series of stories between men and the monster girls that love them.
Monster Girl Encyclopedia, M, English, Romance & Hurt/Comfort, chapters: 80, words: 230k+, favs: 173, follows: 153, updated: 12/25/2020 published: 8/14/2019