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The Last Metroid by ShadowLight223 reviews
Her Metroid dna has taken over, resulting in a monstrous transformation. Unable to control her powers, when attempting to escape ZDR, her ship loses power due to her actions. 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…
Crossover - Metroid & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 27,733 - Reviews: 45 - Favs: 110 - Follows: 192 - Updated: 11/27 - Published: 9/20 - Samus A., Master Chief/John-117
The Rook by Twisted Fate MK 2 reviews
On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 8 - Words: 29,337 - Reviews: 67 - Favs: 294 - Follows: 440 - Updated: 11/27 - Published: 7/8 - Rookie, Shepard
Operation: Voltron by Rnij reviews
4 years after the Arcadia Moon Mission, one of the [Classified] crashes onto earth warning of a new [Classified]. ONI didn't believe him. 5 teenagers did. Now, [Classified] and his team must battle a [Classified] with a giant robot called [Classified] two [Classified], and a missing [Classified].
Crossover - Halo & Voltron: Legendary Defender - Rated: T - English - Adventure/Mystery - Chapters: 3 - Words: 24,697 - Reviews: 51 - Favs: 39 - Follows: 43 - Updated: 11/26 - Published: 8/10/2018 - OC, Lance, Pidge G./Katie H., Princess Allura
Sonic the Hedgehog: Wrath of the Banished by Skootmeister
Sonic and his friends have experience with aliens. From the Black Arms to the Whisps. But the thing about aliens is that they imply a bigger galaxy out there, and a battle against Eggman has attracted that galaxy’s attention. It’s about to come knocking whether they like it or not. And the consequences will be felt.
Crossover - Halo & Sonic the Hedgehog - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 19,464 - Favs: 3 - Follows: 3 - Published: 11/26
Star Wars: Tales of the Infinity's Odyssey by IX404 reviews
While many know of the story of Lasky, the Master Chief and his compatriots, few people know of the stories that happened during these major events. These are the stories of the men and women that also experienced the Odyssey of the Infinity.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,356 - Reviews: 11 - Favs: 38 - Follows: 36 - Published: 11/25 - G. Marek/Starkiller, Jyn E., T. Hood, C. Halsey
Men and Machines by 1DL1NG KN1GHT reviews
Only a year after the battle of the Ark, the Master Chief and Cortana are found by General Grievous and the Malevolence. The UNSC having the slaughter of the Human-Covenant war so fresh in their minds, would hardly be able to stomach being involved in another. But, Sidious’ has plans for all the players on the chess board… and not just half…
Crossover - Star Wars: The Clone Wars & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,271 - Reviews: 9 - Favs: 24 - Follows: 36 - Published: 11/24 - Master Chief/John-117, Cortana, General Grevious
Noble Team of Terra (On Hiatus) by FantasyRider35 reviews
Noble Team, six members, all but one is dead, and their duty completed, their story in their universe has ended and are forever memorialized. But now a new world calls to them, reuniting the team and bringing them to the world of Tera. Here they are given another chance, both at life and to save a world from a catastrophe of unimaginable scales, but this time they won't be alone.
Crossover - Halo & Arknights - Rated: M - English - Adventure/Sci-Fi - Chapters: 15 - Words: 97,305 - Reviews: 29 - Favs: 98 - Follows: 129 - Updated: 11/24 - Published: 5/26 - Carter-A259/Noble One, SPARTAN-B312/Noble Six, Amiya
La Nueva Era de la Humanidad by Type-universe
La humanidad reclamara su trono como la especie dominante a través del multiverso a cualquier costo, no importa quien o que se interponga en su camino Será un multi-crossover, por eso parecerán personajes de otras obras pero las principales serán las dos que aparecen en la clasificación, además tendrá muchos muchos oocs
Crossover - Halo & Arifureta Shokugyou de Sekaisaikyou/ありふれた職業で世界最強 - Rated: M - Spanish - Sci-Fi/Fantasy - Chapters: 2 - Words: 10,991 - Updated: 11/23 - Published: 11/15
The Demon Of The Nine-Nine by SSJ Lone Wolf reviews
It had been ten years since Noble Six joined the NYPD, following the fall of Reach, quickly moving through the ranks and making detective, but when he is transferred to the 99th precinct he finds his life flipped upside down when he had to work alongside the eccentric squad of the Nine-Nine. If his own past doesn't drive him insane...they certainly will!
Crossover - Halo & Brooklyn Nine-Nine - Rated: M - English - Chapters: 14 - Words: 98,999 - Reviews: 408 - Favs: 628 - Follows: 694 - Updated: 11/23 - Published: 10/5/2021 - SPARTAN-B312/Noble Six, Jake P., Amy S, Rosa D.
Machines and Might by Strategic.Ignorance reviews
Eight years before the USJ Incident, the Hero Public Safety Commission learns of the Meta Liberation Army. Doubting the current heroes ability to stop this threat, the Commission sees this as the perfect opportunity to usher in a new age of heroes. The first step is the kidnapping of one hundred kids. Among them is Izuku Midoriya. Moderate AU.
Crossover - Halo & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Friendship - Chapters: 17 - Words: 62,330 - Reviews: 106 - Favs: 272 - Follows: 367 - Updated: 11/22 - Published: 12/1/2021 - William-043, Izuku M., Hitoshi S., Mei H.
BattleTech: Combat Evolved by IX404 reviews
While fleeing from the Inner Sphere following the Amaris Coup, the Exodus Fleet discovers an object out in the inky blackness of space. Little does General Kerensky or his sons know is that they will soon be within the center of a conflict that will decide the fate of Humanity and place the Star League-in-Exile at the forefront of the conflict.
Crossover - Mechwarrior/Battletech & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 18 - Words: 94,649 - Reviews: 245 - Favs: 180 - Follows: 181 - Updated: 11/22 - Published: 8/25 - Master Chief/John-117, A. J. Johnson, Arbiter, 343 Guilty Spark
Oly Oly Oxen Free by red october700 reviews
A routine mission to take out a high leader of the insurrection goes horribly wrong and ends with Blue team's death. But were given a second chance on Remnant. So let us see what kind of trouble they can get into shall we? Not good at summery. I also cant get everyone tagged. But Blue team and Team RWBY are all in this with Ruby and John being paired.
Crossover - Halo & RWBY - Rated: M - English - Adventure - Chapters: 8 - Words: 78,066 - Reviews: 30 - Favs: 98 - Follows: 142 - Updated: 11/22 - Published: 7/29/2020 - [Master Chief/John-117, Ruby R.] Fred-104, Yang X.L.
HALO: JL by G4dgetJunior reviews
After a slipspace accident sends a UNSC Frigate and a Banished warship through a rift in space time, Master Chief, Arbiter and others find themselves In a brand new universe. Unfortunately, There are more threats on the horizon, Old and New. As well as some new allies. The Multiverse will never be the same again.
Crossover - Halo & Justice League - Rated: T - English - Sci-Fi/Angst - Chapters: 3 - Words: 6,557 - Reviews: 4 - Favs: 26 - Follows: 33 - Updated: 11/22 - Published: 11/20 - Arbiter, Master Chief/John-117, Karen Starr/Kara Zor-L/Power Girl, J'onn J./Martian Manhunter
Everything is Fair in Love and War by VastErimos reviews
So you died? Nailed it. Here try again for my entertainment. OPMC, Waifu Catalog fic, if you have a problem with either of these that’s fine
Crossover - Halo & X-overs - Rated: M - English - Sci-Fi/Friendship - Chapters: 3 - Words: 10,198 - Reviews: 6 - Favs: 22 - Follows: 40 - Updated: 11/21 - Published: 8/9 - Fred-104, Serina
Collectors at Dawn v2 by jacksld850 reviews
A rewrite of the original Collectors at Dawn. Lost all of the work I had on it so I'll be redoing it from scratch.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 11,710 - Reviews: 3 - Favs: 24 - Follows: 43 - Published: 11/21 - Master Chief/John-117, Cortana, Miranda L., Shepard
Iter In Astris by RememberReach312 reviews
After the Battle at the Ark, John-117 and Cortana are found and rescued by the long-lost UNSC "Spirit of Fire"... [Disclaimers within] [Cross-posted on SB] [Image not mine]
Crossover - StarTrek: Enterprise & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 1 - Words: 9,613 - Reviews: 12 - Favs: 66 - Follows: 93 - Published: 11/20 - Master Chief/John-117, Cortana, J. Cutter
Serenity by Space-Dweeb reviews
2542. Humanity lost the war against the Covenant, and has been assimilated into the galaxy-spanning conglomerate. John-117 and his crew, formerly humanity's greatest champions, were forced into a life of crime in order to survive. Aboard the Firefly-class ship Serenity, they travel the galaxy with one mission: get a ship, get a crew, keep flying.
Crossover - Halo & Firefly - Rated: T - English - Sci-Fi/Western - Chapters: 6 - Words: 22,957 - Reviews: 6 - Favs: 10 - Follows: 18 - Updated: 11/19 - Published: 8/14 - [Master Chief/John-117, Cortana] [Fred-104, Kelly-087]
Wrong Place, Right Time: A Hero's Story by DLTA-BOT reviews
The journey of a hero doesn't always start where they expect. It doesn't always happen to those who expect it. Damon was never interested in being what SPARTANs represent: an implacable force for good standing as humanity's shield. Like most other third-generation SPARTANs, the war took everything from him. All he wanted was to return the favor. Sometimes we don't get a choice.
Crossover - Fallout & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 58 - Words: 672,794 - Reviews: 168 - Favs: 329 - Follows: 355 - Updated: 11/19 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
At Orion's Edge by CIA 4UUUU reviews
The Pillar of Creation and its sleeping occupant orbit a distant star at the edge of Orion's Spur. 170 million kilometers from this heavenly body is a planet unique to most others.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 38,450 - Reviews: 9 - Favs: 38 - Follows: 53 - Updated: 11/18 - Published: 11/13 - OC, Team RWBY, Team JNPR
Star Wars: Odyssey of the Infinity by IX404 reviews
During a routine safety test, the Slipstream Space Drive of the Infinity malfunctions, catapulting them into unknown space. Little do Lasky and the members of the Infinity know is that they will soon change the fate of a far away galaxy.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 7 - Words: 93,773 - Reviews: 163 - Favs: 373 - Follows: 479 - Updated: 11/18 - Published: 10/11 - Luke S., Han S., Master Chief/John-117, T. Lasky
Halo x Star Wars: Galactic Wars by herlareyrabat reviews
Set in a shared universe of Halo and Star wars. What will happen when the republic is threatened by an unknown faction? Will he be able to survive? And the UNSC? Will he be able to survive a new war on a galactic scale?
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 1,535 - Reviews: 4 - Favs: 19 - Follows: 24 - Published: 11/17 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, T. Hood
The Adventures of the Lucen: The VykurCorp Conspiracy by General Rage reviews
Liara T'Soni continued her mission to protect the Galaxy while Commander Shepard is in another dimension. She must stop the Covenant and the allies they've gathered from wreaking havoc in a Galaxy without it's greatest hero. While she's had some success, there's a gathering storm on the horizon and one of her crew of misfits will be forced to confront her past before it clears.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 15 - Words: 249,269 - Reviews: 173 - Favs: 131 - Follows: 136 - Updated: 11/17 - Published: 6/26/2016 - OC, Liara T'Soni, U. Wrex
Halo Gundam by 6-4 pilot reviews
Stuck in the Universal Century during the One Year War, Master Chief and his companions help the White Base Crew survive while also trying to find a way back to Zeta Halo. In the meantime, a group of battle-hardened Banished troops does what their organization does best. Take advantage of conflicts and various organizations for their own benefit. (Also includes Owl House)
Crossover - Halo & Gundam UC - Rated: M - English - Sci-Fi - Chapters: 27 - Words: 102,291 - Reviews: 183 - Favs: 73 - Follows: 95 - Updated: 11/16 - Published: 6/22 - Master Chief/John-117, Amuro R.
The Guiding Fire by UNSC indomitable reviews
A Commander striped of authority. The world divide and falling. Last fading light. Hope lays in Spirit and might. As those with the fire lay dying. All must stand fast in the face howling night.
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 80,607 - Reviews: 71 - Favs: 167 - Follows: 228 - Updated: 11/15 - Published: 7/22/2020 - J. Cutter, Belfast, OC
Halo: Universal Vortex by NeoFlashfox reviews
With the rush of the firing of the rings errors occurred. More species come into play and humanity no longer started on Earth alone. The planet Elemental is here with humans who are different from Earth. Now Naruto needs to navigate this war torn galaxy. Alive preferably. Pairings maybe Harem. NarutoXHalo world merged with bits of others like Star Wars and Mass Effect. Maybe more.
Crossover - Halo & Naruto - Rated: M - English - Chapters: 48 - Words: 107,149 - Reviews: 177 - Favs: 272 - Follows: 336 - Updated: 11/14 - Published: 1/10 - C. Halsey, Naruto U.
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