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Men and Machines by 1DL1NG KN1GHT reviews
Spartan 117 wakes up from the Dawn to a battle of unknown factions. The Separatists outreach with a hand of peace, forever tainting the future of the Clone Wars. But now the Didact’s release approaches and The Chief soon discovers that he is not the only Spartan on this side of the universe. But secretly, Lord Sidious has plans to expand his chessboard to reach this new-found UNSC.
Crossover - Halo & Star Wars: The Clone Wars - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 42,012 - Reviews: 66 - Favs: 128 - Follows: 164 - Updated: 3/16 - Published: 4/12/2023 - Master Chief/John-117, General Grevious, Count Dooku, Jorge-052/Noble Five
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: 19 - Words: 66,072 - Reviews: 146 - Favs: 508 - Follows: 765 - Updated: 3/16 - Published: 7/8/2022 - Rookie, Shepard
Halo: Iron kingdoms by jjimenez042v reviews
After the final battle of the ark, The Master Chief and Cortana found themselves on planet that mix steam-power technology with magic as great kingdoms fight each other supremacy. Force to adapt this new world they must forge alliance with unlikely people while dealing with strange enemies while they look for way home.
Crossover - Halo & Warmachine - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,787 - Reviews: 5 - Favs: 2 - Follows: 4 - Published: 3/16
Sekirei: The Lost Wolf by Helghast honored guard reviews
The Lonewolf survived and made it off Reach .Now he finds himself trapped in another world, another time and another conflict. Up against a madman forcing a race of super powered aliens to fight to the death to bring a new age of the gods . (Six and Harem)
Crossover - Halo & Sekirei - Rated: M - English - Sci-Fi/Romance - Chapters: 20 - Words: 148,564 - Reviews: 162 - Favs: 435 - Follows: 565 - Updated: 3/13 - Published: 3/2/2022 - SPARTAN-B312/Noble Six, No. 12/Hibiki, No. 11/Hikari, No. 16/Toyotama
Code Lyoko: War logs 1 by superman42 reviews
the stories are out of order. this is the correct timeline in case you're confused: Heart of Ice (this is an alternate version that sets up crisis core for War Logs 2 which is the actual Crisis Core, this version is a scrapped concept) Dark harvest (CH 1) from here the chapters are: ( left side actual chapter) 3 (ch 2) 4 (ch 3) 5 (ch 4) 6 (ch 7) 7 (ch 5) 8 (ch 6) 9 (ch 8) HOI WL2
Crossover - Code Lyoko & Halo - Rated: M - English - Tragedy/Drama - Chapters: 15 - Words: 17,146 - Reviews: 9 - Favs: 3 - Follows: 2 - Updated: 3/12 - Published: 3/1/2022 - Aelita S., Jeremie B., Yumi I., OC - Complete
Redemption by The Ashen One reviews
Six believed his body belonged to Reach after fighting tooth and nail to defend the planet from the Covenant. However, fate has other plans for the spartan as he soon arrives on a strange world, where he encounters a stubborn woman named Korra.
Crossover - Halo & Legend of Korra - Rated: M - English - Adventure/Romance - Chapters: 8 - Words: 30,436 - Reviews: 33 - Favs: 132 - Follows: 195 - Updated: 3/11 - Published: 1/20 - [Korra, SPARTAN-B312/Noble Six]
Rose Empire Space Command by Akyy-Wolf reviews
The Rose Empire a multi-system wide faction using UNSC model ships thanks to the assistance of the Forerunner ship forges within Remnant, Oblivion. They discover the Planet they named Eques. How does the story end, no one will know. Follow Team RWBY and their friends as they survive whatever's out in the world.
Crossover - Halo & RWBY - Rated: M - English - Poetry/Sci-Fi - Chapters: 2 - Words: 17,550 - Reviews: 1 - Favs: 7 - Follows: 5 - Updated: 3/11 - Published: 3/5 - Team RWBY
HELLDIVERS:The Chance Encounter by Johnnieboy11 reviews
Super Earth is at war! In the Galactic West, the Automatons unleash their socialist horror upon the peoples of Super Earth. In the East, meanwhile, Terminids escaped from their cages bring forth destruction on our Colonies! Though, even amidst these trying times, hope remains! Newfound allies have entered the fight for Managed Democracy! Their name? The United Nations Space Command
Crossover - Misc. Games & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 16,300 - Reviews: 35 - Favs: 148 - Follows: 178 - Updated: 3/11 - Published: 3/2 - Master Chief/John-117, A. J. Johnson, Arbiter, SPARTAN-B312/Noble Six
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: 53 - Words: 205,313 - Reviews: 93 - Favs: 234 - Follows: 281 - Updated: 3/10 - Published: 7/15/2023 - Space Marines, OC, Arbiter, Linda-058
Voltron Spartan Defendors by Codey-Wraith reviews
Who would you want to control Voltron? A soldier that protects those around them or a power hungry madman? Follow the Master Chief, and his allies as they assemble Voltron to defeat those who threaten the universe.
Crossover - Halo & Voltron: Legendary Defender - Rated: M - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 41,084 - Reviews: 37 - Favs: 95 - Follows: 120 - Updated: 3/9 - Published: 3/30/2018 - Master Chief/John-117, Cortana, Princess Allura
The Last Metroid by Two Dudes and a Dream reviews
Her Metroid DNA had 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/Drama - Chapters: 41 - Words: 187,126 - Reviews: 385 - Favs: 413 - Follows: 545 - Updated: 3/9 - Published: 9/20/2022 - Samus A., Adam, Master Chief/John-117, Cortana
Operation: WASTELAND by Spartan-049 reviews
Whilst exploring the depths of Gamma Halo, a lone Spartan inexplicably finds himself transported to an irradiated wasteland on a planet that shouldn't have one; Earth. Hoping to find some answers he enlists the help of a local courier already on a quest of his own to find something.
Crossover - Fallout & Halo - Rated: T - English - Adventure/Western - Chapters: 3 - Words: 9,658 - Reviews: 3 - Favs: 17 - Follows: 19 - Updated: 3/9 - Published: 2/2
Halo: The Lost Child by ImpulseFitz reviews
Ruby Rose was an ordinary girl dreaming of fairy tales when a freak incident led her far away from home. Believing her family dead, she agrees to train to become a Spartan. After a grueling defeat, she once again is whisked away to a distant world: her home, Remnant. There is no time for reunions. There is no time to rest and to mourn. The fate of the galaxy is at stake.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 26 - Words: 310,871 - Reviews: 468 - Favs: 698 - Follows: 923 - Updated: 3/8 - Published: 6/5/2021 - SPARTAN-B312/Noble Six, Ruby R., Yang X.L.
Nier: Great Journey by RamPluto reviews
Finding herself on an unknown ringworld, alone save for her Pod, 2B finds herself thrusted into the middle of an unknown and seemingly intergalactic conflict. With the aid of the Master Chief, 2B will find herself dealing with two worlds, one where Humanity is extinct and the other where war is a constant ever looming threat, to all of mankind and existence itself.
Crossover - Halo & Nier - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 16,282 - Reviews: 31 - Favs: 125 - Follows: 199 - Updated: 3/7 - Published: 2/20 - Master Chief/John-117, 2B, Cortana, 9S
The lost sword by Lighting wolf knight
The war with the empire brings in new players... And a new angle. Rated T for violence, death, and profanity.
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 5,220 - Favs: 3 - Follows: 7 - Updated: 3/7 - Published: 2/3 - Luke S., OC, Arbiter, Atriox
The Noble Diaries by SSJ Lone Wolf reviews
Finding himself back in time to the early twenty-first century, Six thought that attending Highschool would be a breeze compared to fighting the Covenant and Insurrectionists. But between Vampires, Werewolves, doublegangers, and countless other supernatural creatures and who knows what else, he finds that his troubles are just starting.
Crossover - Halo & Vampire Diaries - Rated: M - English - Chapters: 7 - Words: 59,808 - Reviews: 222 - Favs: 385 - Follows: 455 - Updated: 3/6 - Published: 7/3/2023 - SPARTAN-B312/Noble Six, Elena G., Stefan S., Bonnie B.
A Bounty Hunter's Odyssey by Nicogen
It was suppose to be a simple job, find the target, capture them and bring them back to face justice. If Ahern knew the can of worms he was going to open. Well he would have picked another job...Odyssey of a Mage spin off featuring a story that explores the time before the Human/Covenant war and the Effects the wizarding worlds will have on them.
Crossover - Harry Potter & Halo - Rated: M - English - Mystery/Adventure - Chapters: 2 - Words: 25,885 - Favs: 11 - Follows: 13 - Updated: 3/6 - Published: 3/3 - OC, Fawkes, M. Parangosky
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. Currently in Stargate. Temporarily in Miraculous tales of Ladybug and Chat Noir.
Crossover - Halo & X-overs - Rated: M - English - Sci-Fi/Friendship - Chapters: 15 - Words: 58,366 - Reviews: 61 - Favs: 120 - Follows: 140 - Updated: 3/6 - Published: 8/9/2022 - Fred-104, Serina
No Gods, Nor Masters by Johnnieboy11 reviews
After the pyrrhic victory of the Human-Covenant War, the Covenant was split into many warring factions vying for the power of old. The UNSC was left, bloodied, but as the sole power in the Milky Way for now. After an incredible discovery within a set of Forerunner Ruins, an Exploration Fleet with Doctor Halsey at its head is sent out. What they find will change everything.
Crossover - Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Adventure/Sci-Fi - Chapters: 38 - Words: 175,898 - Reviews: 758 - Favs: 1,248 - Follows: 1,516 - Updated: 3/5 - Published: 1/28/2022 - C. Halsey, OC, Itami, Tyuule
Bellum Terranum by F35B reviews
Humanity has long since recovered from the effects of the Human-Covenant War, beginning to resettle and rebuild. The Quarians, with help from the Council, have also begun to rebuild their fallen civilization, settling pre-approved Council planets finally settling after surviving the Morning Wars. One pirate attack on a Quarian Colony however will alter the course of history...
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 23,006 - Reviews: 194 - Favs: 455 - Follows: 720 - Updated: 3/4 - Published: 7/31/2023
Beyond the Ring: Pandora's Secret by Dan Is Here reviews
On Pandora, Spartan Team Argonaut navigates Na'vi resistance and uncharted mysteries. Tasked with defending UNSC interests, tensions heighten upon encountering a Forerunner site. The situation escalates with the unexpected arrival of the Covenant, posing a new threat. Amid native unrest and cosmic conflict, the Spartans strive to safeguard humanity's future on this alien jewel.
Crossover - Halo & Avatar - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 6,337 - Reviews: 2 - Favs: 18 - Follows: 24 - Published: 3/4 - C. Halsey, OC, Neytiri, M. Quaritch
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: 21 - Words: 46,131 - Reviews: 12 - Favs: 124 - Follows: 169 - Updated: 3/4 - Published: 2/15/2021 - SPARTAN-B312/Noble Six, OC
Azur Lane 3: ODST by Animeak116
The Sirens, a alliance of synthetic hominoid machines, have waged a genocidal war against the Humans. Drop into New Mombasa as the AI of Battle Group Row and ODST squad Alpha 9 descend into the City. however there Spartan lll ally senses something weird is going on.
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 3,919 - Favs: 6 - Follows: 9 - Updated: 3/3 - Published: 1/21 - [OC, Arizona] E. Buck, Nevada
attempt at borderlands and halo tv show crossover by Darkdragondude1234 reviews
will see how it goes with this fanfiction
Crossover - Halo & Borderlands - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 2,511 - Reviews: 2 - Published: 3/3
Audax Novus by A-01 reviews
A bold new world - A strange new reality - Fresh trials, tribulations, allies, and enemies. John fell through the portal from the Mantles Approach, but his luck works in mysterious ways. Now stranded in an alternate reality, how will he strive forward? The galaxy takes a sharp turn from the world we know, and the Reaper threat looms just as large, but no longer so uncontested.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 26 - Words: 656,439 - Reviews: 811 - Favs: 1,781 - Follows: 2,190 - Updated: 3/2 - Published: 9/4/2020 - [Master Chief/John-117, Miranda L.] [Shepard, Tali'Zorah]
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