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Eternity Into The Void by ProfessorZooms reviews
The Reclamation has begun and the Eternity on the run. After fleeing the Orion Arm into the safety of slipspace, the UNSC Eternity ends up marooned on a primitive feudal world. Inspired by an earlier Halo x FoZ fanfic called "Zero to Infinity"
Crossover - Familiar of Zero & Halo - Rated: M - English - Sci-Fi/Fantasy - Chapters: 9 - Words: 57,397 - Reviews: 75 - Favs: 141 - Follows: 217 - Updated: 10h - Published: 4/10 - Louise, OC, Colbert, Saito
Halo: The Lost Child by ImpulseFitz reviews
Duty and sacrifice entangle all who walk the path of the warrior. Heroes rise and fall like the tides. The realities of war can crush even the most honest of souls. Ruby-B419, an interloper from a forgotten world, must train to fight and survive an interstellar genocide, and learn her true purpose in the Milky Way galaxy.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 18 - Words: 203,384 - Reviews: 271 - Favs: 369 - Follows: 522 - Updated: 10h - Published: 6/5/2021 - SPARTAN-B312/Noble Six, Ruby R., Yang X.L.
Mass Effect - Orion by Fallen2Pancake reviews
This is a Mass Effect - Halo - XCOM Crossover. In the year 2084 during the Asteroid Belt Offensive XCOM Elite Unit Strike-1 discovers an Ethereal Station but must Psionic Teleport away but something goes wrong. In the Year 2552 the UNSC Fearless an Orion-Class Assault Carrier is forced to escape Reach under heavy fire, during the Slipsapce Transit something goes wrong.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 6 - Words: 46,405 - Reviews: 46 - Favs: 96 - Follows: 147 - Updated: 12h - Published: 4/16 - SPARTAN-B312/Noble Six, Rookie, D. Anderson, Shepard
Demon of Paradis (Cover by: ThatGuyOnyx) by GrowlingScarab7 reviews
"Distress Beacon Placed. The Signal's Weak, so don't expect a fast response." Who would have thought that out in the unknown regeons of the galaxy, a sect of humanity thrived or rather clinged to a faint hope of survival. At the brink a destruction a new hopes descends upon them... inside of 12 million tons of titanium. Will he be a savior or one of the very demons they fear.
Crossover - Halo & Attack on Titan/進撃の巨人 - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 17,328 - Reviews: 32 - Favs: 139 - Follows: 205 - Updated: 21h - Published: 5/3/2021 - Master Chief/John-117
Random Scenes by freezxp
Like the title says, this fic is about random scenes involving Master Chief and Shipgirls that pop up in my mind which forced me to write it down. *Crossposted over in SpaceBattles and Wattpad* *I do not own anything except for my idea*
Crossover - Halo & Kantai Collection - Rated: T - English - Sci-Fi/Drama - Chapters: 1 - Words: 1,159 - Published: 5/2 - Master Chief/John-117
Mark and the adventures of a demispartan by Darkdragondude1234
don't know how good this will be. this is inspired from the new halo tv show. some changes will be happening and i don't own any of the tv show characters or percy jackson books. this is in no way connected to main tv show cannon. this is also a mass effect crossover between the other two. please keep in mind that i'm not a good writer
Crossover - Halo & Percy Jackson and the Olympians - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 3,253 - Favs: 1 - Follows: 1 - Published: 5/2
War of the Old Ones by Ian the Mechanic reviews
In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?
Crossover - Mass Effect & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 12 - Words: 63,768 - Reviews: 65 - Favs: 107 - Follows: 165 - Updated: 5/2 - Published: 2/21
Unknown events have unmeasurable answers by Watsi reviews
When someone contacts the Quarians about old machinery, they should think twice before engaging with a strange yet so familiar species, a war, and circumstances that will shock two galaxies now that the rift is open.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Drama - Chapters: 4 - Words: 21,588 - Reviews: 68 - Favs: 103 - Follows: 183 - Updated: 5/1 - Published: 4/21 - [Master Chief/John-117, Tali'Zorah] J. Cutter
Mass Emile by Ranschaj reviews
Emile survives the two zealots at the end of Reach, and after surviving Covenant onslaught, finds himself in the ME universe. Kick-ass picture is thanks to freejimmy on deviantart
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 68,922 - Reviews: 834 - Favs: 949 - Follows: 1,110 - Updated: 5/1 - Published: 12/11/2012 - Emile-A239/Noble Four
Xen Effect by ThePilotArchangel reviews
Xen is the gateway between universes and dimensions. It is the place where time, space, physics, and other known rules that define ones life go out the metaphorical window. What will happen when a Child of Xen, a perfect Supersoldier, a Guardian of Humanity, and a Spectre of a Council of aliens find themselves caught up in a war of survival? Find out in "Xen Effect".
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 17,205 - Reviews: 16 - Favs: 19 - Follows: 29 - Updated: 5/1 - Published: 4/30 - Master Chief/John-117, Cortana, Shepard, OC
TALOS Protocol:A Tale of Smarts, Guns and Girls by Johnnieboy11 reviews
The detonation of the HAVOK nuke aboard the Mantle's Approach should have caused Cortana's glorious, final dispensation once the systems of the ship were broken. Instead, the AI now finds herself facing a new, terrifying world side-by-side with the Tactical Dolls, specialized combat Androids that take the form of armed young women. In this broken world, she must search for answers.
Crossover - Halo & Girls' Frontline/少女前线 - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 15,480 - Reviews: 23 - Favs: 116 - Follows: 165 - Updated: 5/1 - Published: 1/6 - Cortana, M4 SOPMOD II, Griffin Commander, Kalina
Dead Or Alive:Finishing The Fight by Who Let This Guy On reviews
When the Forward Unto Dawn crash lands 500 years in the past on earth, it sets the stage for untold repercussions for the whole of humanity. When the super soldier finds himself as a potential entree into the years DOA tournament however it sets the stage for Victor Donovan and the rest of the Doa World to finally see what a "Perfect Weapon" is capable of.
Crossover - Dead or Alive & Halo - Rated: M - English - Adventure - Chapters: 14 - Words: 105,433 - Reviews: 346 - Favs: 453 - Follows: 561 - Updated: 4/30 - Published: 5/28/2016 - Ryu Hayabusa, Kasumi, Master Chief/John-117, Cortana
Uzumaki Forerunner by Draconis7B reviews
Odiado, abusado y casi asesinado, salvado por una casualidad del destino, demostrara el poder de sus ancestros. Resumen un poco meh posiblemente lo edite despues. M por futuros temas y por seguridad.
Crossover - Halo & Naruto - Rated: M - Spanish - Sci-Fi/Adventure - Chapters: 1 - Words: 753 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 4/30 - Naruto U.
Halo Combat evolved: Ruby Rose new Journey by All Hail Lord Megatron reviews
A young Huntress ends up on the piller of autumn, now she has to learn about the universe she will make New friends, new enemies and a nightmare. It will take everything she has to survive and make her way through The Human-covenant war.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 26 - Words: 88,754 - Reviews: 213 - Favs: 341 - Follows: 449 - Updated: 4/30 - Published: 11/6/2018 - Master Chief/John-117, A. J. Johnson, 343 Guilty Spark, Ruby R.
Teaching Feeling by A Salty Archer reviews
They were both machines, killers created by higher causes, brought together for a singular purpose. But war has a way of changing things, and they will have to realize that there is more to life than the battlefield. The only question is, if they will be able to come to that realization before it's too late. (AU Delayed Human/Covvie War)
Crossover - Halo & Violet Evergarden/ヴァイオレット・エヴァーガーデン - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 5 - Words: 88,467 - Reviews: 56 - Favs: 127 - Follows: 158 - Updated: 4/30 - Published: 9/6/2021 - Master Chief/John-117, Violet E.
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: 15 - Words: 52,544 - Reviews: 75 - Favs: 192 - Follows: 273 - Updated: 4/29 - Published: 12/1/2021 - William-043, Izuku M., Hitoshi S., Mei H.
Rising of the Shield Helljumper by Autistic-Grizzly reviews
After the sacred duel between the spear and shield heroes, an army of a different world appear, one that supports the Shield Hero, now with the might of the UNSC behind him ODST Lance Corporal Naofumi Iwatani will be better equipped to handle the waves and find out the secrets linked between this world and the forerunners - rated T for now -
Crossover - Halo & Rising of the Shield Hero/盾の勇者の成り上がり - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 31,884 - Reviews: 94 - Favs: 147 - Follows: 187 - Updated: 4/29 - Published: 1/2 - Master Chief/John-117, E. Buck, Naofumi I., Raphtalia
Distant Stars by BoneDaddyAinz reviews
Adrian has spent half his life fighting the Covenant, its all he's ever known and ever wanted. As an ODST he's come to terms that the universe is cruel and unexpected, yet nothing could prepare him for the events that would throw him into a world with its own problems. Now he's torn between aiding a group of ragtag heroes, or going home to finish the fight for a doomed humanity.
Crossover - Halo & Overwatch - Rated: M - English - Sci-Fi/Drama - Chapters: 56 - Words: 258,410 - Reviews: 140 - Favs: 300 - Follows: 364 - Updated: 4/29 - Published: 5/4/2020 - OC, Angela Z./Mercy, Hana Song/D. Va
Mass Effect: ODST Lost by Stardew's Stardrop reviews
ODST Captain Nathanial Renkov unintentionally becomes the first Helljumper to survive being dropped through a Slipspace anomaly. The problem? He has no idea where is and is surrounded by aliens the UNSC has no record of. Even worse? No one knows what the UNSC is. Follow his story as he tries to make sense of his new surroundings while trying to survive a new galactic threat.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 7,475 - Reviews: 6 - Favs: 32 - Follows: 51 - Updated: 4/29 - Published: 4/24 - OC, Ashley W., Tali'Zorah, Shepard
MHA watches Halo Trilogy by heavykujocrusaders reviews
monitor 031 summoned the protagonist of MHA here to watch the trilogy of the Halo universe.
Crossover - My Hero Academia/僕のヒーローアカデミア & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 8,322 - Reviews: 16 - Favs: 62 - Follows: 79 - Updated: 4/29 - Published: 1/20 - 1-A Students
Flames of War by Lighting wolf knight reviews
Space Marines and Spartans weren't so different... Especially for war. Rated T for violence, death, and profanity. Doesn't entirely follow games. Does NOT follow Warhammer logic or lore no Imperium conquest.
Crossover - Warhammer & Halo - Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 7,729 - Reviews: 4 - Favs: 12 - Follows: 17 - Updated: 4/29 - Published: 1/28 - [OC, Linda-058] Space Marines, Kelly-087
Harry-049 by TheEternalForce reviews
Harry is transported to Reach by a forerunner artefact after being chased by Dudley and his friends. Halsey finds that he's a genetic match and he is inducted into the SPARTAN-II program.
Crossover - Harry Potter & Halo - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 6,103 - Reviews: 7 - Favs: 75 - Follows: 112 - Updated: 4/28 - Published: 4/26 - Harry P., C. Halsey
The Tale of The Spacefarers: Under Azur Skies by TaleBearer42Day
When the Spartan team known as the Spacefarers (along with their crew of The Bulwark) are pulled from Reach into a world not their own, they must try to return. All while loving ship-girls and fighting Sirens, of course. Things are sure to be fun!
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: K+ - English - Romance/Sci-Fi - Chapters: 4 - Words: 5,933 - Favs: 15 - Follows: 19 - Updated: 4/28 - Published: 2/28 - OC, Kaga, Illustrious
The Bringers of Dawn by Zannerson reviews
Once, a star fell near the island of the Torrentine river's, Empowering the house of Dayne with the Sword of the Morning. Now another one has come, and it will bring more than just Steel and Power. The line of Dayne will enter a world greater than they ever know.
Crossover - Halo & A song of Ice and Fire - Rated: M - English - Fantasy/Sci-Fi - Chapters: 5 - Words: 65,802 - Reviews: 16 - Favs: 69 - Follows: 106 - Updated: 4/28 - Published: 2/15
Remnants of a Spartan: Rewrite by playererror404 reviews
Spartans never die, B312 Noble Six knows this better then most. After her last stand on Reach she woke up lost on another world that has no knowledge of the Covenant or the UNSC. Stranded with few resources on the world of Remnant she'll have to form a new team, grieve her old one and try desperately not to lose her god damn mind over this crazy planet while trying to save it from
Crossover - Halo & RWBY - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 34,782 - Reviews: 33 - Favs: 180 - Follows: 221 - Updated: 4/28 - Published: 3/3 - [Coco A., Velvet S.] SPARTAN-B312/Noble Six, Team CFVY
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