1k+ The Reclamation » by Fade Maybe A UNSC cruiser activates a dormant Relay, forcing the politically divided UNSC into a new war against the Reaper menace. This time Humanity will not stand alone. Now surrounded by diplomatic adversaries and renegade rivals and contenders, Humanity will face a new set of challenges unlike anything it has seen before. The Reclamation has already begun, and we are hopeless to stop it.
Halo & Mass Effect, T, English, Adventure & Sci-Fi, chapters: 47, words: 359k+, favs: 1k+, follows: 1k+, updated: 4/28 published: 3/13/2013
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
734 Beneath a Broken Moon » by Unseen Lurker He was a hero, vanquisher of men and beasts, daedra and dragons. But now, Fate calls him elsewhere. How will he fare in this world, so unlike his own? "Wait... are those... rabbit ears?"
Elder Scroll series & RWBY, T, English, Fantasy & Adventure, chapters: 19, words: 112k+, favs: 2k+, follows: 3k+, updated: 3/31 published: 10/13/2014, Dragonborn/Dovahkiin
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: 5k+, updated: 3/30 published: 10/9/2013, Master Chief/John-117, Arbiter, T. Lasky, Shepard
1k+ On the Illusion of Might » by evevee We thought ourselves powerful, able to conquer a galaxy with nothing but toys. When we overcame every challenge, breached the space between the galaxies themselves, what use were the words of a race ashamed of their own past? Yet we cannot deny that we were warned, for while a challenge to a human is laughable, a challenge to humanity is a death sentence.
Halo & Mass Effect, M, English, Sci-Fi, chapters: 24, words: 266k+, favs: 3k+, follows: 3k+, updated: 2/21 published: 2/21/2017, Master Chief/John-117, Cortana, Garrus V., Shepard
50 Frozen Skyrim » by Masterless "The Fate of One World Lies in the Destiny of Two."
Elder Scroll series & Frozen, M, English, Fantasy & Drama, chapters: 33, words: 193k+, favs: 113, follows: 144, updated: 1/27 published: 7/6/2014, Dragonborn/Dovahkiin, Serana, Elsa, Hans
78Brawler Doctrine » by RiptideZ Following the Human-Covenant War, Mankind rebuilt; they adapted and recovered, but they never forgot the nightmare. They never forgot the genocide - billions dead and planets turned to glass. The UNSC established the Task Force Dominion to set the future into motion. The Glasslands Campaign begins on the former colony, Aragon. Formerly a Halo-Mass Effect crossover, discontinued.
Halo, T, English, Sci-Fi & Adventure, chapters: 2, words: 8k+, favs: 175, follows: 242, updated: 8/6/2020 published: 2/16/2013, OC
555Massed Up 2 » by DelVarO Shepard is dead, everyone went their own way and it's Thursday again. Now I have two full years to get myself ready for her return. Get myself back into better shape, stockpile some weapons... simple enough, right? With the way things were going so far, I think I should have expected that nothing will ever be so simple.
Mass Effect, T, English, Adventure & Sci-Fi, chapters: 39, words: 307k+, favs: 716, follows: 931, updated: 4/1/2020 published: 6/22/2013
35 Halo: Ascension - Status Update on Last Chapter » by Hunter63 [ After the Great War, Humanity begins to rebuild, and while many challenges present itself to the surviving government, nothing will have as much as an impact as Shanxi. The Galaxy shall become the center point for an ancient threat's plans, people of all backgrounds must come together, and Humanity must finally ascend to its rightful throne as inheritors of the Mantle. ]
Halo & Mass Effect, T, English, Sci-Fi, chapters: 5, words: 14k+, favs: 216, follows: 284, updated: 3/25/2020 published: 5/31/2013, Master Chief/John-117, Arbiter, J. Garson, Garrus V.
313 In the Shadow of Dragons » by Demon-Kagetsuki When Refridís discovers a hidden room in the Archmage's tower, she has little idea of what it will bring. News of a dragon in Middle-Earth calls to her and she travels to the strange lands in order to join a band of dwarves, a hobbit, and a wizard on a journey to take back their home. ..all while hiding her draconic friend and a curse that haunts her. (Kíli/OC slowburn)
Elder Scroll series & Hobbit, T, English, Adventure & Romance, chapters: 23, words: 115k+, favs: 423, follows: 492, updated: 9/3/2019 published: 7/30/2014, Dragonborn/Dovahkiin, Odahviing, Smaug, Kíli
1k+ The Spartan Effect » by Gatekeeper333 Everyone's favorite Spartan is looking for a new purpose, lucky for him, the Commander his happy to oblige. (5-23-19 Info: On Hiatus after Chapter 45. Will update with schedule after life is in order.)
Halo & Mass Effect, T, English, chapters: 45, words: 495k+, favs: 2k+, follows: 3k+, updated: 5/23/2019 published: 3/27/2011, Master Chief/John-117, Tali'Zorah, Miranda L., Shepard
916 The Legends of the Dovahkiin » by ss3dj A collection of stories, centered around the adventures and legends of the Dovahkiin and Serana. Final Arc: Nero and Serana are getting married. But with the storm clouds of war forming, can Nero make it to the altar in time? Note: As of now this is the final arc to this story collection. One Day I may add more, but for now, thank you to all my readers. You made this awesome!
Elder Scroll series, T, English, Adventure & Romance, chapters: 44, words: 127k+, favs: 990, follows: 973, updated: 3/15/2019 published: 7/2/2012, Dragonborn/Dovahkiin, Serana
25Halo:The Marine and the Elite » by BladeOfParthia A determined and skilled marine, a powerful and deadly shipmistress, when the pair meet under hostile circumstances feelings begin to surface and a bond starts to form, will this once in an era relationship survive the struggles of the war?
Halo, M, English, Sci-Fi & Romance, chapters: 6, words: 5k+, favs: 50, follows: 69, updated: 3/7/2019 published: 4/17/2013
688 The Dragon Queens » by Mystborn Prophesies complete, an immortal Dragonborn and her vampire best friend are left to their own devices. The result? A jointly ruled empire of Nirn that spans the stars. So when Batarians are chased through relay 314 by the Turians into Imperial space, all oblivion breaks loose. How will the Galaxy of Science hold up to the Empire of Magic, Especially one ruled by the Dragon Queens?
Elder Scroll series & Mass Effect, T, English, Sci-Fi, chapters: 26, words: 122k+, favs: 2k+, follows: 2k+, updated: 2/27/2019 published: 2/28/2015, Dragonborn/Dovahkiin, Serana, J. Garson
16 The Shape Of The Dead » by AxlMaster The Darkness destroyed the Golden Age. But something else rose while humanity huddled in caves: an empire. It has been centuries since those times, and Guardians continue the endless war if the aftermath of the House of Wolves. But when Hunter Reisen makes a discovery, everything will change, and sleeping beings will awaken. (Destiny-Warframe Shared Universe)
Warframe & Destiny, M, English, Adventure & Sci-Fi, chapters: 2, words: 16k+, favs: 37, follows: 67, updated: 2/26/2019 published: 1/19/2019
5Red vs Blue Season 2 » by nomercy745 Written version of Rooster Teeth's hit Red vs Blue.
Halo, M, English, Adventure, chapters: 6, words: 8k+, favs: 8, follows: 8, updated: 1/2/2019 published: 7/11/2011
17 Last of An Ancient Breed: A Side Story to The Last Spartan » by Zgamer A side story to DinoJake's "The Last Spartan" fanfiction following Kyle Nolan, a 2nd Lieutenant in the Orbital Drop Shock Troopers. Events from Kyle's service in the ODST, from Shanxi to intersecting events within the source story, will be recorded as he faces his enemies as much as his own personal demons. UPDATE: 12/31/18 NEW CHAPTER UP!
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 15, words: 126k+, favs: 78, follows: 92, updated: 12/31/2018 published: 3/19/2013
3k+ The Last Spartan » by DinoJake An AU fic in which the Halo and ME universes share the same galaxy. After a well deserved rest in Cryo-Sleep, Master Chief finally awakens...to a whole new galaxy.
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 55, words: 489k+, favs: 4k+, follows: 4k+, updated: 12/31/2018 published: 5/2/2010, Master Chief/John-117
45 RWBY: Shadows of Light » by B.D. Skunkworks "I want to be a Guardian..." Those are the words that Ruby Rose has lived her life by; to protect those that cannot protect themselves. After proving her mettle in an unforeseen battle, she is invited to The Tower by The Speaker himself to live her dream. It is here that she not only learns the secrets of the Light, but of a threat that could destroy all of humanity's Golden Age...
RWBY & Destiny, T, English, Sci-Fi & Adventure, chapters: 20, words: 81k+, favs: 109, follows: 131, updated: 12/2/2018 published: 11/7/2014
765 Alternate Past, Uncertain Future Mk II » by Follower38 Co-written with aDarkOne History, a single event, can alter so much, let alone two. The San'Shyum are no more. The Krogan Empire stands strong. Humanity is now a giant among the stars. With three Galactic Superpowers in play, will an encounter see a new Golden Age, or an Era of War? (Chapters 1-12 being rewritten)
Halo & Mass Effect, T, English, Adventure, chapters: 33, words: 279k+, favs: 730, follows: 840, updated: 10/6/2018 published: 8/28/2012