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Outlaws of the Verse (Unofficial Sequel: The Last Spartan by DinoJake) by Omniva Verse reviews
1000 years after the Reapers were reprogrammed, 3 powers fight for dominance in the galaxy. The Space Forces, Pirates, and of course The Outlaws. (Multi-Xover, AU, Unofficial Sequel): Ship's Crew and Lore, from various other franchises
Crossover - Mass Effect & Halo - Rated: T - English - Sci-Fi/Family - Chapters: 11 - Words: 83,040 - Reviews: 4 - Favs: 15 - Follows: 15 - Updated: 1h - Published: 10/21/2023 - OC, OC, Master Chief/John-117, Shepard
Rose Empire Space Command by Apatima reviews
The Beginning of a new Era for the Milky Way Galaxy, with the assistance of the Forerunners and new allies along the way, the Rose Empire will stand tall above all and build a Empire for Peace and Justice to flourish.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 17,516 - Reviews: 2 - Favs: 14 - Follows: 20 - Updated: 17h - Published: 7/15 - Master Chief/John-117, J. Cutter, Team RWBY, Team STRQ
Of Latchkeys and Misjumps by Sieben Nightwing reviews
When a second wave SLDF task force from the Amaris Civil War carrying high value passengers suffers a misjump, they end up in orbit over an uncharted planet. Lost and alone, they're hailed by an unknown ship. Circumstances will force them to work together to survive, as the new situation they find themselves in is even worse than the one they came from.
Crossover - Mechwarrior/Battletech & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 64,443 - Reviews: 26 - Favs: 92 - Follows: 129 - Updated: 10/1 - Published: 4/26/2023
Book 1: Wolves (UNDER REWRITE) by Believer218 reviews
The Academy became the home of Spartan training after the loss of Laconia Station. Kept hidden for decades, it has the potential to tip the balance in favor of the UNSC. But secrets lurk beneath the facility, and they are about to be unleashed. Join the Lone Wolves as they embark on an adventure that could change more than one universe. Rated M for graphic depictions of violence.
Crossover - Halo & Avatar: Last Airbender - Rated: M - English - Fantasy/Adventure - Chapters: 1 - Words: 255 - Reviews: 13 - Favs: 14 - Follows: 17 - Updated: 10/1 - Published: 6/27/2023
HALO-STARGATE: All the Stars in the Sky: Book I by Spartan-076A reviews
The UNSC will have to navigate a galaxy poised to rip itself apart between the ambitions of the System Lords and the scheming of the San'Shyuum Hierarchs. Will humanity triumph and rise victorious from these trials, or will it fall by the hands of its enemies? Only time will tell.
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 10,761 - Reviews: 8 - Favs: 19 - Follows: 38 - Updated: 10/1 - Published: 8/1 - S. Carter, Gen. Hammond, J. O'Neill, Master Chief/John-117
Odyssey of the Untrodden by RamPluto reviews
After centuries of relative peace and isolation, the races of Citadel Space have decided to make the bold and historic step of activating a dormant Relay. Unknowing stumblingly into a war that will change the shape of the entire galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,898 - Reviews: 11 - Favs: 39 - Follows: 67 - Published: 10/1 - Master Chief/John-117, Garrus V., Tali'Zorah, Liara T'Soni
Halo:Knightstalker by blackcomet1224 reviews
A teenage clone destined for an early death gets a new chance at life when a fugitive Symbiote chooses her as its host in this cross-over fanfiction between Halo and Venom.(Set shortly after Halo legends: homecoming. Art by RKS-Kogiro on twitter/tumblr Commissioned by me. Will be reposted on Royalroad.) Rebooted, old story placed in a separate story to archive.
Crossover - Marvel & Halo - Rated: M - English - Sci-Fi - Chapters: 18 - Words: 89,611 - Reviews: 52 - Favs: 131 - Follows: 128 - Updated: 10/1 - Published: 9/3/2019 - Daisy-023
Knights of Sidonia & Halo Forward unto Dawn Crossover by Coolslick78 reviews
A new day dawns upon a parallel universe. The crew of Sidonia has colonized lem. It continues its journey through space searching for other soler systems but on an advanced mining mission, they discover a mysterious ship suspended inside an enormous ice asteroid. Apon searching the derelict ship they find its named "The UNSC Forward unto Dawn" with one crew onboard.
Crossover - Halo & Knights of Sidonia/シドニアの騎士 - Rated: K - English - Romance/Sci-Fi - Chapters: 5 - Words: 15,571 - Reviews: 6 - Favs: 4 - Follows: 9 - Updated: 9/30 - Published: 8/1 - Tanikaze N., Izana S., Yuhata M.
The Spartan From Themyscira by Foundunknown01 reviews
For the last two thousand years, Themyscira has isolated itself from the rest of mankind. Building itself up and ignoring the plights of the world which surrounds it. Unfortunately, their calm is shattered when a strange craft falls to earth on the Eastside of their island. Leading to the first man to ever grace their shores since they isolated themselves from the world.
Crossover - Halo & Justice League - Rated: T - English - Sci-Fi/Fantasy - Chapters: 14 - Words: 46,631 - Reviews: 56 - Favs: 145 - Follows: 174 - Updated: 9/30 - Published: 9/8 - Clark K./Kal-El/Superman, Bruce W./Batman, Diana of Themyscira/Wonder Woman, Barbara M./Cheetah
Halo: Dark Stars-Death Dimension by Ash Maelstrom reviews
AU/FUSION FIC. Part one of a series! 2578. What do Marine stragglers, Sangheili mercenaries, and Banished raiders all have in common? They're about to have a really shitty 25th anniversary of the Great War's end. At the fringes of the battlefield, something is stirred by the rhythm of war and death...or was it already awake and waiting?
Crossover - Halo & Kantai Collection - Rated: T - English - Sci-Fi/Horror - Chapters: 15 - Words: 133,057 - Reviews: 23 - Favs: 20 - Follows: 29 - Updated: 9/30 - Published: 7/4
Echoes of the Forerunners: A Covenant Unveiled by Phorus Aedelmaer reviews
The Covenant War erupts with far-reaching consequences across two universes. As the UNSC struggles to survive, they form an unexpected alliance with the species of the Citadel Council. Creative liberties will be taken with the timelines, events, and characters of both franchises.
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 11 - Words: 25,172 - Reviews: 102 - Favs: 87 - Follows: 130 - Updated: 9/29 - Published: 9/8
The Last Metroid by Two Dudes and a Dream reviews
Her Metroid DNA took over, resulting in a monstrous transformation. Unable to control her powers, when escaping ZDR, her ship loses power. She can't remember what happened after that, but now, all she sees is the blackness of space, left drifting, alone. In the distance, the broken body of a frigate is seen, with the name of Forward Unto Dawn… Eventual Samus X Master Chief romance.
Crossover - Metroid & Halo - Rated: M - English - Sci-Fi/Drama - Chapters: 48 - Words: 215,557 - Reviews: 470 - Favs: 508 - Follows: 640 - Updated: 9/28 - Published: 9/20/2022 - Samus A., Adam, Master Chief/John-117, Cortana
Bringing the Storm by WalkingTalkingLamborghini reviews
Two Spartans and two Autobots with completely different pasts and seemingly different personalities find they might just be on different sides of the same coin. Fighting the Decepticons and the Covenant instills a bit more camaraderie than one would think. Wildly AU. Halo/Transformers crossover
Crossover - Halo & Transformers - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 2,773 - Reviews: 2 - Favs: 1 - Follows: 3 - Published: 9/28
if i could reach your star by Legotrix
(part II of Tanya's verse this one is dark and mature if you want fluffiness go to part I) being x lost, Tanya simply did not win, but they both shared a distant past that their soul had forgotten. follow how Tanya enrolls in Project Spartan II fights the covenant in epic fleet battles and later divides them in two questioning their religion during the great Schism .
Crossover - Halo & Youjo Senki: Saga of Tanya the Evil - Rated: T - English - Sci-Fi/Tragedy - Chapters: 14 - Words: 23,617 - Favs: 1 - Follows: 4 - Updated: 9/27 - Published: 9/7 - C. Halsey, Tanya, OC, Rerugen
The Spartan of the Planet of the Apes by Scepter 2-1 actual reviews
It's been years since Noble Six and Auntie Dot found themselves in an alternate Earth being ravaged by a deadly plague. Now, a new threat emerges in the form of evolved and highly intelligent apes. Can Six and Dot ensure mankind's dominance? Or will they fall in the wake of the Ape uprising? Cover image does not belong to me.
Crossover - Planet of the Apes & Halo - Rated: T - English - Adventure/Drama - Chapters: 7 - Words: 27,657 - Reviews: 69 - Favs: 126 - Follows: 151 - Updated: 9/27 - Published: 11/23/2023 - Caesar, SPARTAN-B312/Noble Six
The Galaxy is Flood, Not Food by JacksonTheFox reviews
It is the 42nd Millennium. The Imperium spans the galaxy, yet it has been split in two by Chaos after the opening of the Great Rift. Yet, with the tear in reality, something unexpected emerged. A man, born in another time, arrives not as himself, but as a spore of the most terrible of parasites. The Flood has come to Warhammer 40k.
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi/Horror - Chapters: 66 - Words: 256,370 - Reviews: 39 - Favs: 206 - Follows: 235 - Updated: 9/25 - Published: 9/10 - Chaos Space Marines, Daemons, Inquisition, Adeptus Mechanicus
The Iron Cross by Lighting wolf knight reviews
Scattered, in a world where their emperor never existed... The Ultramarines have but one purpose... Protect humanity and act among them. Rated T for violence, death, and profanity. Please ignore the latest review. I have blocked that user for insulting words and feelings i do not support.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Romance - Chapters: 55 - Words: 212,685 - Reviews: 104 - Favs: 290 - Follows: 337 - Updated: 9/23 - Published: 7/15/2023 - Space Marines, OC, Arbiter, Linda-058
The Terminus Exarchate by infamouswestgate reviews
Qelet B'Norai, Batarian cartel-kin and agent of the Covenant, travels the swallowed-yet-undigested worlds of the Terminus Exarchate! Can he save the Covenant Empire from collapsing underneath its own great weight?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 45,076 - Reviews: 14 - Favs: 8 - Follows: 13 - Updated: 9/23 - Published: 9/11
The New Hope:The Phoenix Rises by Johnnieboy11 reviews
It is the Dark Age of Axis Victory and the world is rapidly crumpling. In the West, the Organization of Free Nations maintains the last democracies in the world through force of arms, while East of the Atlantic, the Axis's reign of terror over Europe and Asia continues. One unknown contact, however, is set to tip the balance of power forever.
Crossover - Halo & Hearts of Iron - Rated: M - English - Romance/Sci-Fi - Chapters: 4 - Words: 20,308 - Reviews: 19 - Favs: 64 - Follows: 88 - Updated: 9/22 - Published: 9/10 - J. Cutter, E. Anders, Douglas-042, OC
Galactic Conflicts: Tales of First Contact by TheDoctor1998 reviews
Humanity and its allies have stood strong after the Great War with the Covenant. Follow the Systems Alliance as it goes through a first contact nearly as disastrous as the one that lead to the Great War.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 10 - Words: 46,207 - Reviews: 247 - Favs: 475 - Follows: 662 - Updated: 9/22 - Published: 2/6/2023
Justice League of Amazons: Halo by Angry lil' elf reviews
In a world where the rogue Amazon Aresia succeeds in her plan to wipe out all men on Earth, she has doomed humanity to extinction and a newly reformed Justice League must try and salvage the world. But hope is not lost and it comes in the form of a Spartan II Commando and his AI from another universe. His name: Master Chief Petty Officer John-117.
Crossover - Halo & Justice League - Rated: M - English - Sci-Fi/Adventure - Chapters: 22 - Words: 117,197 - Reviews: 403 - Favs: 1,228 - Follows: 1,251 - Updated: 9/21 - Published: 1/13/2016 - Master Chief/John-117, Diana of Themyscira/Wonder Woman, Shiera H./Shayera Hol/Hawkgirl
The last wall by Lighting wolf knight reviews
The sons of Dorn must fight a war not their own... In a new world. Rated T for violence, death, and profanity.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 819 - Reviews: 3 - Favs: 6 - Follows: 5 - Published: 9/21 - OC, Prophet of Truth, Kelly-087
A Gold Flower by CplMax43 reviews
A flower cannot blossom without sunshine. And where flowers boom, so can hope.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 38,274 - Reviews: 65 - Favs: 176 - Follows: 220 - Updated: 9/20 - Published: 12/31/2023 - Daisy-023
Alpha Nine to Copper Nine by CambrianSun reviews
2552. Humanity is at war with an alien alliance known as 'The Covenant' We are losing. In an attempt to assault the carrier of one of the Covenant's leadership. The carrier jumps into slipspace above New Mombasa. Those whom survive the blast find themselves on a new, dangerous, frozen world.
Crossover - Halo & Murder Drones - Rated: M - English - Sci-Fi/Horror - Chapters: 5 - Words: 15,490 - Reviews: 6 - Favs: 20 - Follows: 31 - Updated: 9/20 - Published: 8/25
Shadow of Sol by SinArchbishop reviews
a UNSC Super Carrier went MIA after entering slip space and not arriving at its intended destination. Instead, it comes from a mysterious continental world. What intentions would this strange but similar-looking race have for the inhabitants of Terra? Would the UNSC have become xenophobic show mercy and help them or will they pull a Covenant? Fixed grammar issues in Ch.1 & 2.
Crossover - Halo & Arknights - Rated: M - English - Sci-Fi/Suspense - Chapters: 11 - Words: 39,191 - Reviews: 63 - Favs: 55 - Follows: 82 - Updated: 9/20 - Published: 7/26 - Kal'tsit
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