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Halo: Universal Vortex by NeroFlashfox 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: 40 - Words: 88,830 - Reviews: 142 - Favs: 219 - Follows: 265 - Updated: 5/16 - Published: 1/10 - C. Halsey, Naruto U.
Halo: Life's Convergence by NeroFlashfox
An elemental recently graduating Elemental school and marine bootcamp was offered the choice to join the Maelstrom Company. This is her story as she navigates the events that happen during Universal Vortex. Will she surive to become part of history and become a legend. Or straight up die because her Captain and her leaders are straight up crazy! Noble 6 and Naruto later
Crossover - Halo & Naruto - Rated: M - English - Chapters: 1 - Words: 2,141 - Favs: 13 - Follows: 13 - Published: 5/16 - SPARTAN-B312/Noble Six, Naruto U., Kakashi H., 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: 14 - Words: 72,595 - Reviews: 86 - Favs: 134 - Follows: 204 - Updated: 5/16 - Published: 2/21
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: 13 - Words: 34,291 - Reviews: 108 - Favs: 163 - Follows: 203 - Updated: 5/16 - Published: 1/2 - Master Chief/John-117, E. Buck, Naofumi I., Raphtalia
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: 8 - Words: 49,663 - Reviews: 151 - Favs: 196 - Follows: 332 - Updated: 5/15 - Published: 4/21 - [Master Chief/John-117, Tali'Zorah] J. Cutter
A hunter in waiting by TheDinoDude427 reviews
The Lek'golo, a race of worms that work together to shape an individual that had the ability to think as a group. But the lek'golo are not a race found on earth, but it would be quite the coincidence that a case 53 came into the Bay as a group of Lek'golo worms. Let's sit back and watch the chaos. (This is somewhat a self-insert story; you have been warned)
Crossover - Halo & Worm - Rated: M - English - Humor/Sci-Fi - Chapters: 6 - Words: 14,479 - Reviews: 44 - Favs: 155 - Follows: 191 - Updated: 5/14 - Published: 3/9 - OC, Skitter, Dinah A.
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: 8 - Words: 61,867 - Reviews: 67 - Favs: 144 - Follows: 206 - Updated: 5/13 - Published: 4/16 - SPARTAN-B312/Noble Six, Rookie, D. Anderson, Shepard
Iron Eyes by Xyphrose reviews
It was surprising, ending up here in this world, with a father and a mother that I wouldn't lose the Covenant, but I wasn't going to mess this up. Who I was doesn't matter anymore. What matters is who I am now. My name is Rudeus Greyrat, and I, am a spartan.
Crossover - Halo & Mushoku Tensei/ 無職転生 - Rated: M - English - Adventure/Fantasy - Chapters: 4 - Words: 28,816 - Reviews: 13 - Favs: 42 - Follows: 54 - Updated: 5/11 - Published: 5/3 - OC, Sylphiette, Roxy Migurdia, Eris Boreas Greyrat
War and peace by Curiously intrigued reviews
The reapers brings new galactic superpowers into the war after invading the Orion arm of the galaxy. will the conflict unite them against a common foe or will they open conflict with each other.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,510 - Reviews: 12 - Favs: 39 - Follows: 70 - Updated: 5/11 - Published: 5/5
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: 4 - Words: 15,072 - Reviews: 16 - Favs: 73 - Follows: 114 - Updated: 5/11 - Published: 4/24 - OC, Ashley W., Tali'Zorah, Shepard
Red vs Blue Tale of Six Age of Freelancers by Sonicdudes2000 reviews
Oni Reaper survived the Fall of Reach and was hired by the Director to aid in Project Freelancer Get's close to the agents even some non-human member of the project, however, the truth why he is here and why he even important at all will bring about the end of the Age of Freelancers. (Cover done by a friend of mine)
Crossover - Halo & Red vs. Blue - Rated: M - English - Humor/Adventure - Chapters: 18 - Words: 66,986 - Reviews: 19 - Favs: 56 - Follows: 58 - Updated: 5/11 - Published: 8/14/2017 - SPARTAN-B312/Noble Six, L. Church/Alpha, Carolina, Tex/Allison - Complete
Halo-Naruto: Task Force Hestati by Azores reviews
As the deserters of the UEG establish themselves in a new region of space, far from the apocalyptic war with the Covenant, new challenges emerge, especially from the strange world of Shinsei. With the UNSC elements desperate to maintain peace and their influence, a new special forces unit is established. This is their story and the stories of others. *AU. Side-Story of Halo-Naruto*
Crossover - Halo & Naruto - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 29,126 - Reviews: 10 - Favs: 36 - Follows: 39 - Updated: 5/8 - Published: 11/9/2020
subject six, the unnamed member of raptor team by Darkdragondude1234
you might have heard of prophet or nomad or alcatraz. me, i was the forgotten six member. i no longer remember my own name. they called me six. that is what i am stickin too. i will make people remember me. my attemp at a halo tv show series and crysis crossover. don't know how good it will be.
Crossover - Halo & Crysis - Rated: M - English - Chapters: 1 - Words: 2,665 - Favs: 2 - Follows: 2 - Published: 5/8
The past redefined - An Azur Lane x Halo story by BabbyBobby021 reviews
In the midst of chaos, three kansens of the United Nations Space Command became the first casualties of a battle to protect humanity's right to exist, the Battle of Earth. Now, they found themselves staring at their home planet but of a far distant past, these kansens had to make a choice: should they just watch things unfold again or should they change the course of history?
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: M - English - Hurt/Comfort/Drama - Chapters: 10 - Words: 48,032 - Reviews: 64 - Favs: 167 - Follows: 218 - Updated: 5/7 - Published: 8/1/2021
The Way the World Ends by Canelo312 reviews
AU. Spartans never die. But we all know that's not true. A terrifying new enemy approaches and only time will tell if the forces that be can stop them.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 25,002 - Reviews: 6 - Favs: 36 - Follows: 46 - Published: 5/7 - Master Chief/John-117, SPARTAN-B312/Noble Six, Liara T'Soni, Shepard
Mass effect: the Jaded ones by Ray SK reviews
A UNSC Human-covenant war-era battle group led by a Punic class supercarrier is introduced to a new galaxy. One where people are xenophilic, use to times of peace and harmony, and against disrupting the Status Quo. What will an extremely aggressive xenophobic and battle-hardened human faction add to the mix? and will their addition change the future of this galaxy. (No Spartans)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 3 - Words: 17,798 - Reviews: 46 - Favs: 99 - Follows: 151 - Updated: 5/7 - Published: 2/6 - E. Buck, OC
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: 16 - Words: 56,011 - Reviews: 83 - Favs: 207 - Follows: 294 - Updated: 5/6 - Published: 12/1/2021 - William-043, Izuku M., Hitoshi S., Mei H.
Reclamation of fate, a hero's destiny by Darkdragondude1234 reviews
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: 2 - Words: 5,789 - Reviews: 2 - Favs: 1 - Follows: 2 - Updated: 5/6 - Published: 5/2
The Covenant Of The Dead by Glacius-KI13
En una misión de exploración en una galaxia desconocida, la nave "Santa Unificación" termino emboscada por una flota de la UNSC. Los tripulantes huyeron en uno de los planetas de dicha galaxia por los daños recibidos, ahora los pocos sobrevivientes deberán reparar las comunicaciones para llamar a un equipo de rescate, lo que ninguno de ellos saben, es que estarán en el apocalipsis.
Crossover - Halo & Highschool of the Dead - Rated: T - Spanish - Sci-Fi/Horror - Chapters: 5 - Words: 20,642 - Favs: 3 - Follows: 4 - Published: 5/5 - Takashi K., Rei M., Saeko B., Kohta H.
Covenant DXD by Glacius-KI13
Tras una lucha pérdida contra la UNSC y tener que realizar un aterrizaje forzoso en donde solo 8 miembros sobrevivieron, nuestros protagonistas tendrán que sobrevivir a este nuevo planeta hasta que sean contactados por Gran Caridad, sin saber que en aquel mundo les aguarda un viaje inesperado y sobrenatural.
Crossover - Halo & High School DxD/ハイスクールD×D - Rated: T - Spanish - Sci-Fi/Supernatural - Chapters: 7 - Words: 34,793 - Favs: 1 - Published: 5/5 - Rias G., A. Asia, H. Akeno, Mittelt
Final Frontier by Richard Scepton reviews
The Abyssals. They pushed us back. They pushed us back to the limit. The Covenant. They commited genocide on us. And we will push back. Final Frontier. No matter what, we will push through. Humanity depends on us. Both humanities depend on us. Us. And we will advance without falter.
Crossover - Halo & Kantai Collection - Rated: T - English - Sci-Fi/Hurt/Comfort - Chapters: 12 - Words: 29,149 - Reviews: 14 - Favs: 54 - Follows: 79 - Updated: 5/5 - Published: 6/5/2021 - Hiei, Fubuki, Hibiki/Верный, Amatsukaze
Master chief in Marvel by Jessica Williams2
Can Master Chief find his way home back to Halo can he or can't go home
Crossover - Marvel & Halo - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 1 - Words: 947 - Published: 5/5 - Master Chief/John-117, Cortana
Ruby-B312 by GreenTheRyno reviews
Reach has fallen, and Noble Team along with it. Standing alone, Noble Six fights like a woman possessed, but even her unique superpowers cannot turn the tide against an enemy who has no interest in fighting fair. Little does she know, her death is only the beginning of her journey - one that will teach this Lone Wolf the strength of her pack.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 48 - Words: 370,533 - Reviews: 780 - Favs: 1,199 - Follows: 1,387 - Updated: 5/4 - Published: 8/15/2018 - SPARTAN-B312/Noble Six, Ruby R., Winter S., Team RWBY
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: 5 - Words: 62,827 - Reviews: 24 - Favs: 84 - Follows: 129 - Updated: 5/4 - Published: 7/29/2020 - [Master Chief/John-117, Ruby R.] Fred-104, Yang X.L.
All the Stars by BlueWay reviews
When the Long Night of Solace is evaporated over Reach via the weaponized usage of a Slipspace Drive, it ferries with it in its swallowed sections the Covenant Empire and, more horrifyingly, the desperate measures that the UNSC used to fight them. When they are found in a universe on the precipice of their own history, the meaning of the term "Mass Effect" will change forever.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 39 - Words: 688,994 - Reviews: 1075 - Favs: 1,500 - Follows: 1,844 - Updated: 5/4 - Published: 6/8/2018 - SPARTAN-B312/Noble Six, Rookie
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