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The Song of Infinity by Johnnieboy11 reviews
As the battle of Christophsis is ongoing, a new faction emerges over the crystalline battlefield. Confusion, worry and fear permeate the Republic lines until a first shot is fired in anger by the Confederacy. A change stirs in the Force, the Reclaimers are awakening and the Galaxy at large is powerless to stop them.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 59,680 - Reviews: 114 - Favs: 445 - Follows: 560 - Updated: 7/5 - Published: 3/23 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, T. Lasky
Halo-Naruto: Prologue by Azores reviews
Following Psi Serpentis, the fleeing UNSC Everest finds itself in a star system far from the war or the UEG. Teaming up with the Admiral's old flame from the URF and various other elements fleeing the war, the UNSC finds a world, unlike anything they have ever seen before, while on that same world its inhabitants will have their lives changed forever. AU for both Universe. PROLOGUE
Crossover - Halo & Naruto - Rated: M - English - Sci-Fi - Chapters: 18 - Words: 262,743 - Reviews: 167 - Favs: 310 - Follows: 352 - Updated: 7/2 - Published: 5/7/2015 - P. Cole, OC, Kushina U., OC
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: 21 - Words: 113,263 - Reviews: 118 - Favs: 262 - Follows: 391 - Updated: 7/2 - Published: 2/21/2022
Beyond: A Mass Effect and Halo Story by yaknsneeze reviews
AU. 7 months after the events on the Citadel, Commander Shepard and an old ally return to fight an old enemy. Their new mission however, just got a lot more complicated. Post Mass Effect 3, and set in the Halo universe during the book Shadows of Reach.
Crossover - Halo & Mass Effect - Rated: M - English - Chapters: 3 - Words: 4,644 - Reviews: 3 - Favs: 9 - Follows: 17 - Updated: 7/2 - Published: 6/27 - Master Chief/John-117, Shepard
Homeward Bound:The Human-Covenant War by Johnnieboy11 reviews
As the Human-Covenant War rages on in the year 2552, the UNSC gathers the best of its SPARTANs on Reach in a final bid to buy themselves time against the tide of the Alien Hegemony.. In the meanwhile, a Patrol Ship orbiting the outer areas of the Epsilon Eridani system finds an unknown vessel as it floats aimlessly. Aboard it may be the key to saving humanity, second to Chief.
Crossover - Halo & SIGNALIS - Rated: T - English - Angst/Sci-Fi - Chapters: 15 - Words: 76,017 - Reviews: 42 - Favs: 98 - Follows: 128 - Updated: 7/2 - Published: 2/7 - [Elster/LSTR-512, Ariane Yong] Master Chief/John-117, Cortana
The Defenders of Humanity by Johnnieboy11 reviews
After the Battle on Mantle's Approach, the Master Chief and his companion AI, Cortana, find themselves in a strange time and place. To survive, the two and those that would come to follow them shall seek allegiance to Earth's Mightiest Heroes, in order to prepare for and counter a great threat to not just mankind, but the wider Universe.
Crossover - Halo & Avengers - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 14,230 - Reviews: 39 - Favs: 243 - Follows: 327 - Updated: 7/1 - Published: 3/12/2022 - [Cortana, Master Chief/John-117] Captain America/Steve R., Iron Man/Tony S.
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: 73 - Words: 862,467 - Reviews: 206 - Favs: 417 - Follows: 457 - Updated: 7/1 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
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: 13 - Words: 94,254 - Reviews: 89 - Favs: 195 - Follows: 265 - Updated: 6/30 - Published: 7/22/2020 - J. Cutter, Belfast, OC
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: 7 - Words: 36,144 - Reviews: 13 - Favs: 37 - Follows: 64 - Updated: 6/30 - Published: 4/26
The Reclaimer of Mandalore by UNSC indomitable reviews
Having been awoken by his faithful companion. The Master Chief and Cortana find themselves in an unknown galaxy. Knowing the only way to survive is to remain under the radar. But in a galaxy gripped by war, such a thing was never going to be easy. As the Chief try's to up hold the status quo in the ever changing world of Mandalore, as the galaxy slowly torn apart around them.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 17 - Words: 101,073 - Reviews: 386 - Favs: 1,077 - Follows: 1,466 - Updated: 6/30 - Published: 11/25/2020 - OC, Master Chief/John-117, Cortana
Men and Machines by 1DL1NG KN1GHT reviews
It has been four years since the Human-Covenant War. The Master Chief is caught in a battle between the Republic warships and the Malevolence. But a war-torn UNSC will not want to be involved in another, and soon the Didact’s release approaching, peace never seems to last. But secretly, Lord Sidious is expanding his chessboard, with a new plan to reach to both worlds…
Crossover - Halo & Star Wars: The Clone Wars - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 17,871 - Reviews: 26 - Favs: 64 - Follows: 76 - Updated: 6/29 - Published: 4/12 - Master Chief/John-117, Cortana, General Grevious, Count Dooku
The Furious Wolf by SSJ Lone Wolf reviews
Years after the Fall of Reach, Noble Six and Auntie Dot find themselves transported back to the early twenty-first century. But when everyone's favourite Lone Wolf crosses paths with Dominic and Mia Toretto, he finds himself becoming apart of their family regardless if he wants to or not. But the question remains, but the end what will remain...man or machine?
Crossover - Fast and the Furious & Halo - Rated: M - English - Chapters: 17 - Words: 109,119 - Reviews: 546 - Favs: 882 - Follows: 978 - Updated: 6/29 - Published: 10/27/2021 - [SPARTAN-B312/Noble Six, Mia]
The Spartan and the Legionarie by Lighting wolf knight reviews
A spartan, the pinnacle of the human race. Thrust into a new world, full of new enemies, bonds and monsters. Rated T for violence, death, and profanity. Different characters and AU. Next chapter is 1100 words, Not 1500.
Crossover - Halo & RWBY - Rated: T - English - Romance/Adventure - Chapters: 33 - Words: 105,174 - Reviews: 36 - Favs: 126 - Follows: 155 - Updated: 6/29 - Published: 5/1/2021 - [OC, Pyrrha N.] SPARTAN-B312/Noble Six, J. Ironwood
The Unknown Series: Omake Collection by Gabenator5 reviews
A Collection of Omakes placed here to avoid cluttering the Unknown Series stories, all related plot bunnies that escape the empty labyrinth of Gabenator5's head shall find a home here.
Crossover - X-overs & Halo - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 1,008 - Reviews: 3 - Favs: 6 - Follows: 7 - Published: 6/28
A Noble Rose by red october700 reviews
She was supposed to die here. Yet she finds herself on a new world. She has never been here but it welcomes her home like a wayward daughter that returned. Now she finds a new purpose. But how is she going to handle it all with these random flashbacks to a life she didnt live?
Crossover - Halo & RWBY - Rated: T - English - Chapters: 13 - Words: 123,918 - Reviews: 85 - Favs: 283 - Follows: 363 - Updated: 6/28 - Published: 2/13/2019 - Summer R., Team RWBY, Team JNPR, Qrow B.
A Lesson in Cautiousness by Wulfess reviews
A woman is unceremoniously given one of the most overpowered abilities in the multiverse. She’s also given a choice, succeed or suffer the consequences of failure. Gamer Fic
Crossover - X-overs & Halo - Rated: M - English - Adventure/Horror - Chapters: 17 - Words: 31,976 - Reviews: 6 - Favs: 96 - Follows: 134 - Updated: 6/28 - Published: 2/15/2021 - SPARTAN-B312/Noble Six, OC
Forceful Entry by Scepterfall reviews
After leaving the Jedi Order, Ahsoka Tano calls in a favour to leave Coruscant. Jedi Master Aayla Secura happily assists the former Jedi. But while on route to Aayla next deployment, a mysterious gravitational anomaly pulls them from light speed. Now the two Force sensitives, along with a handful of clones, find themselves in another war! *Covering the events of Halo 2, and Halo 3
Crossover - Star Wars & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 118,345 - Reviews: 96 - Favs: 415 - Follows: 581 - Updated: 6/28 - Published: 9/9/2021 - Aayla S., Ahsoka T., Master Chief/John-117, SPARTAN-B312/Noble Six
A New Path by GeorgeQuartz reviews
Year 2560, the UNSC Infinity and what is left of her crew is fighting for its life against countless Banished Invaders. Deep inside the ship, two pilots and friends have to fight their way through it all to their Longsword Interceptor. A one-in-a-million chance incident with a Forerunner Artefact brings them to a different fight with a different enemy, just trying to get back home.
Crossover - Halo & Star Wars Rebels - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 54,751 - Reviews: 27 - Favs: 84 - Follows: 111 - Updated: 6/27 - Published: 9/6/2022 - T. Lasky, OC, Ezra B., Sabine W.
A Huntress In A Demon's World by Rajin Kaijun reviews
Awakening on a strange ringworld occupied by The Banished hellbent on destroying humanity, Ruby Rose joins the Master Chief and his new AI companion in hopes to not only defeat this new threat but also finding a way back to Remnant. This isn't Remnant anymore, she has to play by Halo's rules. (Slight AU Infinite)
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 26,356 - Reviews: 21 - Favs: 99 - Follows: 152 - Updated: 6/26 - Published: 8/9/2022 - Master Chief/John-117, Ruby R., Atriox, Cortana
The Persean War by Johnnieboy11 reviews
In a split-second, reality becomes completely different than what one was used to. Though, the more some things change, the more they stay the same. War remained a constant in the Persean Sector, even as a fragile peace and a tenuous alliance formed, the Remnant, Ancient AIs of the Old War, struck at one of the nations, causing a shift that will ripple throughout a new world.
Crossover - Halo & Starsector - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 5,400 - Reviews: 5 - Favs: 28 - Follows: 47 - Published: 6/26 - Master Chief/John-117, A. J. Johnson, C. Halsey, Cortana
Machines and Might by Strategic.Ignorance reviews
The Hero Public Safety Commission learns of the Meta Liberation Army years before they do in canon. 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 to kidnap dozens of children. 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: 20 - Words: 83,190 - Reviews: 138 - Favs: 373 - Follows: 477 - Updated: 6/25 - Published: 12/1/2021 - William-043, Izuku M., Hitoshi S., Mei H.
Halo: RWBY Evolved by Danilyss reviews
After what was thought to be a simple mission, team RWBY wind up as stowaways aboard a phantom on the Seeker of Truth as it rendezvous with the Fleet of Particular Justice in order to await for the arrival of the Pillar of Autumn. Now caught in a war none of the girls would ever have imagined, they must fight alongside the Master Chief and the Marines against the Covenant.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Horror - Chapters: 2 - Words: 14,251 - Reviews: 21 - Favs: 59 - Follows: 88 - Updated: 6/25 - Published: 5/12 - Master Chief/John-117, A. J. Johnson, Cortana, Team RWBY
Unknown events have unmeasurable answers by El callampas 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: 19 - Words: 171,873 - Reviews: 336 - Favs: 536 - Follows: 760 - Updated: 6/25 - Published: 4/21/2022 - [Master Chief/John-117, Tali'Zorah] J. Cutter
Eternity Into The Void by ProfessorZooms reviews
The Reclamation has begun and the UNSC Eternity is now on the run after fleeing the Orion Arm - into the safety of slipspace. Only to end up marooned on a strange magical 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: 21 - Words: 131,035 - Reviews: 270 - Favs: 478 - Follows: 643 - Updated: 6/24 - Published: 4/10/2022
ARES:The Gods of War by Johnnieboy11 reviews
Mankind's Greatest Hero has finished his mission once more. Saving Earth from the Didact and his weapon of mass-recruitment, the Composer, the Master Chief and his AI companion, Cortana, find themselves mysteriously transported to a strange variation of Earth, where machines rule the surface and mankind hides below. The SPARTAN and those that join will fight to Reclaim the world...
Crossover - Halo & Goddess of Victory: Nikke - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 12,170 - Reviews: 39 - Favs: 221 - Follows: 299 - Updated: 6/23 - Published: 11/29/2022 - Master Chief/John-117, Cortana, Commander, Rapi
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