36 XCOM: Enemy Expanded » by DarthHollow We defeated the Elders. We took their technology and made it our own to advance into the stars. After so long we surprisingly made allies while unsurprisingly made enemies. Now we find our place and stand firm in this galaxy. Pray to those that believe us weak. For we will not.
X-Com & Mass Effect, M, English, Sci-Fi, chapters: 7, words: 33k+, favs: 139, follows: 233, updated: 1h published: 8/6/2020
6 Red vs Blue » by Cabbit in Red -This is the first crossover of these two shows that I have seen on this site. I'm actually surprised.- What happens when Zenigata's attention is drawn from one red clad thief to another?
Where on Earth is Carmen Sandiego & Lupin III, T, English, Crime, chapters: 6, words: 6k+, favs: 10, follows: 11, updated: 14h published: 4/23/2018, Carmen S., Zenigata
23 Warlords of Remnant » by Ebanu8 A ruthless visionary, a God of War, a steadfast bodyguard, a master strategist. The four of them, sent to the world of Remnant by a mysterious entity known as Magnar, are tasked with saving the world and four white knights. For better or worse, the course of history shall be altered by these hardened warlords. (Currently rewriting)
Samurai Warriors & RWBY, M, English, Fantasy & Adventure, chapters: 31, words: 109k+, favs: 78, follows: 80, updated: 5/14 published: 1/14/2018, [Kenshin U., Ruby R.] [Ranmaru M., Yang X.L.]
141 Layers of Hell: Scorched Earth » by TheOriginalWriterGuy A Doom: Eternal x Hazbin Hotel crossover /\ As the Testaments bespoke of a 'Doom Slayer', who hath ravaged the heavens with his presence, assisted by a demonic princess from the Land of Hell, he is befallen with absolute rage as he comes to find Earth has once more been seized by demonic forces. And so, in his journey of revenge, he aims to purge Earth again, once and for all...
Doom & Hazbin Hotel, T, English, Adventure & Supernatural, chapters: 11, words: 50k+, favs: 187, follows: 234, updated: 5/12 published: 7/1/2020, Doomguy, Charlie, OC
252 Gate: Thus Remnant Fought There » by Savnecro A mysterious Gate opens up in Vale during the Vytal Festival, bringing forth an invasion from a new world. A world without the ever-looming threat of Grimm.
RWBY & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Fantasy & Adventure, chapters: 27, words: 89k+, favs: 324, follows: 418, updated: 5/6 published: 9/27/2019, Team RWBY
38 Mirror Mirror » by Lord Industry An adventure in the modern Magical Midwest in a new body. It's a strange place and a whole lot of new experiences.
Harry Potter & RWBY, T, English, Adventure & Fantasy, chapters: 57, words: 148k+, favs: 44, follows: 47, updated: 5/4 published: 3/19/2018
8Lamia life » by Clear-blood Daily life of a farmer and a orphaned monstergirl lamia that takes care of the farm animals, invasive animals, and some intruders. Will include Vore later on. For now I'll stick with slice of life and belly stuffing.
Daily Life with a Monster Girl/モンスター娘のいる日常, T, English, chapters: 11, words: 13k+, favs: 36, follows: 48, updated: 5/1 published: 7/31/2018
30 Mass Effect demi humans » by EclipsePheniox Long ago on earth demi-humans appeared on earth. Now expanding into the galaxy the other races have to deal with both humans and demi-humans. Mass effect story from beginning to end but with monster people to make it more interesting. Experimental, possible harem
Mass Effect & Monster Girl Encyclopedia, M, English, Adventure & Sci-Fi, chapters: 21, words: 77k+, favs: 145, follows: 155, updated: 4/29 published: 8/2/2019
27 The Kensei Of Remnant » by General Feng Xiang After a battle, a Kensei found herself in Remnant after following the spirit of death. Now, she will have to take care of two little girl that can't stop moving for a short period of time. Paring undecided! (will be rewritten)
RWBY & For Honor, M, English, Adventure, chapters: 9, words: 31k+, favs: 61, follows: 80, updated: 4/27 published: 9/17/2019, Ruby R., Yang X.L., Kensei
23 The Warden's Dark Past » by BravenWolf1324 There once was a boy who in the end had nothing left, after events tragically changing the original timeline, it led one Jaune Arc to the lands of Ashfeld, where his new destiny awaits as the Warden who ended Apollyon's Reign. Yet, this Warden's past, would ultimately come to get him. (Reboot story from Wattpad, hope to improve quality.)
RWBY & For Honor, M, English, Adventure & Drama, chapters: 13, words: 59k+, favs: 75, follows: 104, updated: 4/26 published: 3/10/2020
33 Rwby: Digital Tamer » by Centurion Maximo Remnant is known for their struggles again the Grimm. Suddenly, New strange creatures called Digimon show up. Their power rivals that of the Grimm themselves. Some of them are here to help them but some of them have more evil intentions in mind.
Digimon & RWBY, T, English, chapters: 21, words: 98k+, favs: 67, follows: 67, updated: 4/17 published: 8/26/2019, OC, Team RWBY
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: 557, follows: 798, updated: 4/15 published: 12/11/2017, OC
512 Layers of Hell: Hazbin's Most Unwelcome Guest » by TheOriginalWriterGuy A Doom x Hazbin Hotel crossover /\ The hellish world of Hazbin Hotel has been wallowing in a light amount of bloodshed and warfare for a while now, having never been faced with anything beyond mild cruelty and brutality. That's going to change drastically when a newcomer breaks into their world in the most unnatural way, fueled by an undying rage and ready to purge…
Doom & Hazbin Hotel, T, English, Sci-Fi & Supernatural, chapters: 32, words: 82k+, favs: 815, follows: 816, updated: 4/6 published: 12/8/2019, Doomguy, Alastor, Charlie, OC
15 IronTaker » by Stryker. AJ So Mika died. Very unfortunate. Anyways, now he's in Hell and on his way to find a way to fix that. The harem he makes along the way is certainly unexpected, though. Not that he's gonna complain, anyways... (Mostly Crackfic (Rated M in case of Modeus overextension))
Mobile Suit Gundam: Iron-Blooded Orphans & Helltaker, M, English, Romance & Friendship, chapters: 4, words: 9k+, favs: 80, follows: 78, updated: 4/4 published: 9/18/2020, Mikazuki A., Malina, Zdrada, Justice
1k+ United we Stand » by Mayto At the height of the Human Covenant war, another galactic power intervenes to aid the embattled humans. Standing side by side with the Turians, the UNSC prepares for a new phase of the Human Covenant war.
Halo & Mass Effect, M, English, Sci-Fi, chapters: 85, words: 300k+, favs: 1k+, follows: 1k+, updated: 3/26 published: 3/26/2019
636 The Boundary Effect » by Touhoufanatic 2137 When an Alliance exploration ship is fired upon by a Turian cruiser, it shall unleash them upon the galaxy, and the Galaxy is not ready for their power, their abilities, or their lack of common sense! Human/Youkai/Lunarian Alliance. Mass EffectXTouhou Crossover AU. Too many characters to write. update delayed due to IRL issues.
Mass Effect & Touhou Project, T, English, Sci-Fi & Fantasy, chapters: 50, words: 349k+, favs: 1k+, follows: 1k+, updated: 3/21 published: 5/13/2017
291 A Kaiserin's Post-Living Arrangements » by Lord Caelum Tanya learns that death is most certainly not the end. A Fate/Tanya crossover derived from the ever excellent A Young Woman's Political Record by jacobk, operating with the assumption of the Fate series in the world than Tanya had shaped in life.
Fate/stay night & Youjo Senki: Saga of Tanya the Evil, M, English, chapters: 43, words: 295k+, favs: 697, follows: 828, updated: 3/16 published: 6/21/2020, Tanya
301 True Evil upon Remnant » by ZeroSenpai The age of Yggdrasil is over but even with that his dream still lives, blessed with incredible powers the World Disaster of Ainz Ooal Gown prepares himself for a complete new world; will he conquer it? Destroy it? Or maybe let his new toys dance in his hand? M because of various adult themes.
RWBY & Overlord/オーバーロード, M, English, Supernatural & Adventure, chapters: 51, words: 83k+, favs: 408, follows: 443, updated: 3/14 published: 9/7/2017, Raven B., Amber, Ulbert Alain Odle, Demiurge
3k+Linked in Life and Love » by l OmegaInfinity l A single intimate night together... and it lead to so much more. Follow as Team RWBY dive into a relationship none of them could have imagined, trying to make sense of their new situation, as well as deal with the reactions of the people around them. All the while facing White Fang drama, family secrets, and most devastating of all: homework. Pollination, with no Enabler.
RWBY, T, English, Adventure & Romance, chapters: 84, words: 482k+, favs: 3k+, follows: 3k+, updated: 3/13 published: 12/24/2015, [Blake B., Ruby R., Weiss S., Yang X.L.]
99 Guiding More Honest Souls » by The MZ-FIT G-MR'S Productions Sans has gotten a bit lost after certain events. Now, he has a choice to make. Will he help guide the future heroes of Remnant, or will he let himself fall into a rut of laziness as he did before? All he knows is that either way... he's going to make as many bad jokes as he can. Adopted from Mugiwara N0 Luffy. (ON HIATUS)
RWBY & Undertale, T, English, Adventure & Humor, chapters: 11, words: 70k+, favs: 417, follows: 482, updated: 3/13 published: 6/20/2018, Ozpin, Team RWBY, Sans