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Fleet of the Homeward Bound: Book two by Sora with an S reviews
Spirit of Fire, Hyperion, Jupiter II, Archangel and a few Firestorms just want to know where they are and how to get home. Also, they want to know why they're all girls in space now.
Crossover - StarCraft & Halo - Rated: T - English - Chapters: 1 - Words: 9,731 - Reviews: 6 - Favs: 12 - Follows: 14 - Published: 8/9
Xcom: Fire From Above by StalinWithDaSpoon reviews
XCOM was losing. It lost the first contact war, and now it was losing the resistance war. Even with the Commander to lead them, they had made little progress in destabilizing the aliens regime. But this would change with a new factor being added to the battle, as what can only be described as Fire From Above.
Crossover - X-Com & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 10,337 - Reviews: 8 - Favs: 44 - Follows: 69 - Updated: 8/9 - Published: 7/19 - Bradford, J. Cutter, E. Anders, Jerome-092
Fireteam Mystic by Vandal1037 reviews
Dr. Catherine Halsey recives horrific visions of a future where humanity is crushed and destroyed beneath an iron boot. Her spartans were not enough to weather the coming storm. However her visions lead her into somethig more, a long lost power and a chance to help humanity rise to the top of the food chain.
Crossover - Harry Potter & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 29,027 - Reviews: 36 - Favs: 80 - Follows: 133 - Updated: 8/8 - Published: 7/23 - Harry P., Ron W., Master Chief/John-117, C. Halsey
Boku No Halo Academia: For Want of a Mustard Seed by Iowaman24 reviews
Eleven years have passed since the apocalyptic collapse at the end of the Third World War, and under Aurdel Ganowicz's oversight much of Japan has been rebuilt. However many are still unhappy with the way things are, and as a result the League of Villains has returned. But without an ideology, and under a seemingly revived former member, they are hellbent on destroying everything.
Crossover - Halo & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Sci-Fi/Drama - Chapters: 3 - Words: 13,375 - Reviews: 1 - Favs: 7 - Follows: 8 - Updated: 8/8 - Published: 7/29 - OC, Izuku M., 1-A Students
Noble 6: Ghost of Reach by thermalsnipern7 reviews
The war against the Covenant ended, but something else pressed humanity to the verge of extinction like they never did. Now, Noble 6 rises again to defend humanity like he had done before, and make humanity into something strong like it was so long ago. The one thing his enemies keep wondering is why they hear boss music.
Crossover - Halo & Destiny - Rated: M - English - Sci-Fi/Romance - Chapters: 8 - Words: 34,067 - Reviews: 29 - Favs: 102 - Follows: 117 - Updated: 8/8 - Published: 7/31/2022 - [SPARTAN-B312/Noble Six, Fallen]
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: 22 - Words: 120,421 - Reviews: 124 - Favs: 272 - Follows: 410 - Updated: 8/8 - Published: 2/21/2022
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: 5 - Words: 20,656 - Reviews: 35 - Favs: 80 - Follows: 92 - Updated: 8/8 - Published: 4/12 - Master Chief/John-117, General Grevious, Count Dooku, Jorge-052/Noble Five
Halo ALT: Remnant by scouttroop reviews
In an Alternate Universe, the UNSC has colonized a disserted Remnant while at war against the United Rebel Front. Meanwhile Pyrrha Nikos who lost her fight against Cinder Fall lands in this Alternate Universes and stranded. Pyrrha herself would join the UNSC since there is probably no way back to her dimension. Alternate Universe Setting and Chapters will be EXTENDED.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 3,491 - Reviews: 4 - Favs: 16 - Follows: 19 - Updated: 8/8 - Published: 7/29 - Catherine-B320/Kat/Noble Two, Carter-A259/Noble One, SPARTAN-B312/Noble Six, Pyrrha N.
Remnants by General Rage reviews
From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 39 - Words: 829,112 - Reviews: 808 - Favs: 468 - Follows: 534 - Updated: 8/7 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
Dust and Echoes by trestwho reviews
After a successful mission, a UNSC fleet makes a random slipspace jump only to come across an uncharted system containing a sliver of humanity, one with seemingly no connection to Earth and whose natural abilities defy reason. In a galaxy full of terrifying dangers, the UNSC and Remnant must work together to defend all they know from annihilation.
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 30 - Words: 371,440 - Reviews: 1263 - Favs: 1,460 - Follows: 1,618 - Updated: 8/7 - Published: 1/12/2020 - Master Chief/John-117, Arbiter, Team RWBY, Team JNPR
The Sins of our Fathers by MarkerMagnum reviews
Unknown to the Citadel Council, the Human-Covenant war nears its vicious end. Miranda Keyes is seconds too slow. Delta Halo fires, leaving UNSC space as a lifeless snapshot in time. The Citadel must morn the loss of a civilization they never knew.
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 9 - Words: 84,696 - Reviews: 379 - Favs: 1,042 - Follows: 1,441 - Updated: 8/7 - Published: 2/11 - Cortana, Councilor Valern, Councilor Tevos, Councilor Sparatus
The UNSC in a galaxy far far away by Xenofoxwolf reviews
What happens when someone gets Isekaied into the Star wars galaxy at the start of the invasion of the Naboo with a modified halo Wars unsc that takes units from the Covent and banished in a unsc style along with some lepi and the ability to unlock new halo technologies over time, How will this affect the Star wars galaxy?.
Crossover - Halo & Star Wars - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,240 - Reviews: 5 - Favs: 23 - Follows: 32 - Published: 8/5
RWBY:Spartan Assault by Johnnieboy11 reviews
After John-117's battle on board Mantle's Approach, the Spartan finds himself, with Cortana in tow, sent to a different world, where monsters roam the wilds, Humanity is confined to 4 major Kingdoms and where Magic and Tech coexist. The Spartan will soon have to join the ranks of the good guys against a horrid threat, whilst also on the lookout for fellow Spartans.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 29 - Words: 129,574 - Reviews: 195 - Favs: 532 - Follows: 657 - Updated: 8/4 - Published: 1/12/2021 - [Master Chief/John-117, Cortana] C. Halsey, Team RWBY
Spectre with a Spartan Sister by ZeBear reviews
In 2574, after the formation of the United Sentient Species Federation, they find more intelegent life. Having infiltrated the Normandy Project, they save John Shepard from dying after the Collectors attack at the end of Mass Effect 1. Neglecting to tell his friends. Now with and entire Federation of Species behind him, instead of Cerberus, how will John deal with it all?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 5,158 - Reviews: 9 - Favs: 33 - Follows: 51 - Updated: 8/4 - Published: 7/28 - [Shepard, Tali'Zorah] Garrus V.
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: 4 - Words: 11,739 - Reviews: 7 - Favs: 21 - Follows: 32 - Updated: 8/3 - Published: 6/27 - Master Chief/John-117, Shepard
Many hands make light work by Polluxsashes reviews
A normal twenty-first century human mind stuck inside a Huragok, a Forerunner biobot, gets punted straight into the worst place anyone could ever be: Warhammer 40k. What is he to do but what he is made for? Beware all who call this horrid universe home, you will be 'halped'. First story on this site, updates every 2 weeks. I have up to chapter 12 already written.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 15,275 - Reviews: 64 - Favs: 218 - Follows: 325 - Updated: 8/3 - Published: 4/27
Reclaimer of the Wasteland by Fallout-Man101 reviews
Sometimes life throws you a curve ball, but when you are the Master Chief that ball can only ever be planet sized. A few years after the Battle of Installation 00 and of drifting slowly through space both John and Cortana come across a most unwelcome and surprising sight that they are on a literal collision course with. Boston isn't ready.
Crossover - Fallout & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,251 - Reviews: 7 - Favs: 28 - Follows: 53 - Published: 8/2 - Sole Survivor, Master Chief/John-117, Cortana
The Fast And The Noble by SSJ Lone Wolf reviews
A decade after being transported back to the late twentieth century following the Fall of Reach, Noble Six and Auntie Dot have worked tirelessly to uplift humanity through Noble Industries. However after encountering Mia Toretto and protecting her from a Cyberpsycho he slowly finds himself returning to a life he swore he'd never return too. Cyberpunk 2077 Elements.
Crossover - Fast and the Furious & Halo - Rated: M - English - Chapters: 6 - Words: 35,332 - Reviews: 101 - Favs: 344 - Follows: 373 - Updated: 8/1 - Published: 3/22 - Letty, Mia, SPARTAN-B312/Noble Six
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: 8 - Words: 41,572 - Reviews: 15 - Favs: 48 - Follows: 81 - Updated: 7/31 - Published: 4/26
Were it So Easy by Sigma0327 reviews
Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 143,827 - Reviews: 200 - Favs: 896 - Follows: 1,295 - Updated: 7/31 - Published: 11/9/2020 - SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard
The Unknown Defender by Gabenator5 reviews
A new faction stirs, its green-clad enforcers seemingly unstoppable. Rumors spread, pirate bases go dark, and both the enslaved and kidnapped are discovered free. Who are these new interlopers, and what is their goal? For good or ill, the powers that be intend to find out. REWORK COMPLETED.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 153,359 - Reviews: 1458 - Favs: 3,977 - Follows: 4,995 - Updated: 7/30 - Published: 9/27/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Leviathan
Dimensional Circumstance by tyler6750 reviews
After their escape from the Ark and a 7 month Nap, Chief and Cortana find themselves in the Sol System, but not the one they know, Earth is all but Destroyed by a Tyrannical Race known as the Gamilans, they must help the crew of the Space Battleship Yamato make her Maiden Voyage to Iscandar and back within a year to save Humanity from Extinction
Crossover - Starblazers & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 24,916 - Reviews: 67 - Favs: 129 - Follows: 169 - Updated: 7/29 - Published: 6/1/2020 - A. Avatar/J. Okita, D. Wildstar/S. Kodai, Master Chief/John-117, Cortana
From Reach to Eclipse: The Black Swordsman and the Spartan by Dan Is Here reviews
Noble Six makes a final stand on Reach, only to be transported to the world of Berserk. Stranded in an alien land, he encounters the stoic warrior Guts. Despite their initial tension, they unite to face a common threat - the relentless onslaught of demons, fostering a tentative understanding.
Crossover - Berserk & Halo - Rated: T - English - Chapters: 1 - Words: 4,889 - Reviews: 1 - Favs: 20 - Follows: 26 - Published: 7/25 - Guts, SPARTAN-B312/Noble Six
Halo Galactic Wars: RE-IMAGINED by Crimson Soldat reviews
During the Battles of Zeta Halo, the Master Chief happens across a new site drastically different from the installation it resides on. Without any warning, he is violently sucked into a new war in a Galaxy Far, Far, Away. The following event will shake both universes and their respective peoples. And new secrets, thought lost to time, will be uncovered. co-written by F35B.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 13,913 - Reviews: 14 - Favs: 89 - Follows: 119 - Updated: 7/24 - Published: 7/14 - Anakin Skywalker, Obi-Wan K., Ahsoka T., Master Chief/John-117
The Exiles:A New Power by Johnnieboy11 reviews
The beginning of the Battle For Earth signaled the start of the final, bloodiest campaign of the Human-Covenant War. Hastily, a plan is put into motion and an Ark Fleet, composed of a dozen Phoenix-class vessels and their escorts, makes the jump out of system. Either interference, or malfunction, causes their arrival to a new Galaxy, where new threats lurk just around the corner.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 28,835 - Reviews: 162 - Favs: 648 - Follows: 993 - Updated: 7/24 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
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