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In Fire Forged (StargateHalonBSG fusion) V2 by Illuviar reviews
The Goa'uld System Lords led by Ra fight for survival and domination against the Covenant. The Prophets in their lust for power have proclaimed Humanity's extermination, and decreed the destruction of the False Gods. Long dormant and forgotten Stargates come to life to bring UEG's Earth and the Colonies of Cobol into a bloody contact with the galaxy at large...
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 25,833 - Reviews: 13 - Favs: 61 - Follows: 87 - Updated: 14h - Published: 3/26 - J. O'Neill, Master Chief/John-117
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: 5 - Words: 19,300 - Reviews: 40 - Favs: 156 - Follows: 192 - Updated: 3/27 - Published: 3/2 - Master Chief/John-117, A. J. Johnson, Arbiter, SPARTAN-B312/Noble Six
A different journey by Dragon Cat84 reviews
The Master Chief is found by the Atlantis Expedition, how did the Master Chief end up in the early 21st Century and in the Pegasus Galaxy?
Crossover - Halo & Stargate: Atlantis - Rated: T - English - Chapters: 4 - Words: 15,079 - Reviews: 9 - Favs: 29 - Follows: 42 - Updated: 3/26 - Published: 3/24
In Fire Forged (StargateHalonBSG fusion) by Illuviar reviews
The Supreme System Lord Ra has been missing for a year, the System Lords are straining their bonds, at a perilous time. The alien Covenant has proclaimed the Goa'uld and their servants, as False Gods and Heretics to be exterminated. Meanwhile, the beleagued UNSC struggles for survival, while the 12 Colonies of Kobol are none the wiser about the dangers lurking in the dark...
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 21,482 - Reviews: 24 - Favs: 112 - Follows: 140 - Updated: 3/26 - Published: 10/23/2020
Rebirth of the UNSC by ultimate Deathsaurer 2 reviews
Reach has Fallen and the Pillar of Autumn has set a course to earth but not the earth they remember. Adopted from Original Owner: Samsara Sage
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 66,220 - Reviews: 315 - Favs: 584 - Follows: 720 - Updated: 3/25 - Published: 10/12/2014
RWBY and JNPR meets The Odd Men by acerjoestar reviews
What would happen if a group of two Huntsmen and Huntresses encountered a group of odd soldiers in an ice location in Alaska trying to dig for the last oil or something big is about to happen..
Crossover - Halo & RWBY - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 4,055 - Reviews: 1 - Favs: 6 - Follows: 6 - Updated: 3/25 - Published: 1/27
Terminator Defiance:A New Hope by Johnnieboy11 reviews
T-Force, those that'd broken off from the Founders during the early stages of the war, helped form the Resistance. A skirmish for an old AFB near Wichita turns sour for Lieutenant Church as he and his troops are forced to engage the Wireheads, only for the unexpected to drop into their lap:A new, friendly and highly-advanced human faction seeking to help rid the world of Legion.
Crossover - Terminator & Halo - Rated: T - English - Horror/Sci-Fi - Chapters: 2 - Words: 8,180 - Reviews: 18 - Favs: 52 - Follows: 57 - Updated: 3/25 - Published: 3/18 - John Connor, The Terminator, OC
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: 4 - Words: 12,579 - Reviews: 4 - Favs: 17 - Follows: 19 - Updated: 3/24 - Published: 2/2
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: 20 - Words: 69,693 - Reviews: 148 - Favs: 514 - Follows: 773 - Updated: 3/24 - Published: 7/8/2022 - Rookie, 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: 26 - Words: 127,357 - Reviews: 60 - Favs: 203 - Follows: 244 - Updated: 3/24 - Published: 2/7/2023 - [Elster/LSTR-512, Ariane Yong] Master Chief/John-117, Cortana
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: 4 - Words: 11,693 - Reviews: 25 - Favs: 100 - Follows: 117 - Updated: 3/23 - Published: 8/5/2023
HALO: All the Stars in the Sky: Information Files by Spartan-076A reviews
Information Files for my Halo/Stargate fanfiction I have in development. Rated M for intense scenes of combat and violence portrayed in the main story.
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 929 - Reviews: 1 - Favs: 1 - Follows: 5 - Published: 3/23
Echoes of the Force: Awakening of the Fire by Dan Is Here reviews
In a twist of fate, the UNSC Spirit of Fire arrives in the Star Wars galaxy, where it crosses paths with the daring Ghost crew. Together, they defeat an Imperial Star Destroyer, integrate a hyperdrive, and forge a strong alliance. This unexpected alliance kindles a glimmer of hope, hinting that the Spirit of Fire may yet navigate its way home.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 21,491 - Reviews: 15 - Favs: 79 - Follows: 103 - Updated: 3/23 - Published: 3/5 - Hera S., Kanan J., J. Cutter, E. Anders
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: 22 - Words: 134,274 - Reviews: 477 - Favs: 1,397 - Follows: 1,827 - Updated: 3/22 - Published: 11/25/2020 - OC, Master Chief/John-117, Cortana
Behold A Pale Horse by Adamant39 reviews
2552. The UNSC's Earth responds to the appearance of the First Death Star.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Suspense - Chapters: 5 - Words: 19,662 - Reviews: 52 - Favs: 82 - Follows: 104 - Updated: 3/22 - Published: 3/7 - Master Chief/John-117, A. J. Johnson, Miranda K., T. Hood - Complete
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: 83 - Words: 980,860 - Reviews: 226 - Favs: 482 - Follows: 527 - Updated: 3/22 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
Halo Vahrian by Krota reviews
Ever since the war ended years ago spartan 005 had to do one last task, sacrificing his own life to end the last remaining covenant fleet for him to be able to save earth from their last attempt at glassing the planet... S-005 thought he was gonna end up in the light but what he didn't know is that he had woken up in another world known to many as vahrian instead of earth.
Crossover - Halo & Call of Duty - Rated: M - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 64,244 - Reviews: 6 - Favs: 3 - Follows: 2 - Updated: 3/22 - Published: 3/12 - OC, Grace-093, C. Halsey, Kate Laswell
Night Raid Watch Halo Legends: RE-EVALUATE by Crimson Soldat reviews
a Remake of a continuation that has never been completed.
Crossover - Halo & Akame ga Kiru/アカメが斬る - Rated: T - English - Drama/Sci-Fi - Chapters: 4 - Words: 31,229 - Reviews: 14 - Favs: 49 - Follows: 53 - Updated: 3/22 - Published: 3/19
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: 27 - Words: 111,980 - Reviews: 196 - Favs: 707 - Follows: 882 - Updated: 3/21 - Published: 3/23/2023 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, T. Lasky
Harry Potter got trained by Driver1985 reviews
On the night Harry would have been dropped off by his Aunt, Dumbledore had someone else in mind. What if Harry was taken in by other strong people and they even decided to train him? Trained to be a Warrior by Wolves and the UNSC, he will change the world. OP, smart, trained Harry, small harem double cross with Witcher and Halo
Crossover - Harry Potter & Halo - Rated: M - English - Fantasy/Sci-Fi - Chapters: 92 - Words: 485,712 - Reviews: 403 - Favs: 850 - Follows: 995 - Updated: 3/21 - Published: 9/30/2021 - [Harry P., Hermione G., Daphne G.] Master Chief/John-117
Halo: Operation Christ Sake by The Drabble Drafter reviews
Based off of "The Eagle and the Dove" by XENMEGALOGOS, mankind had been fighting a losing war with the Covenant. In one universe, mankind discovered the Halo arrays and brought the 27 year genocide to an end. In another universe, however, mankind discovered another galaxy and thus another mankind.
Crossover - Halo & Stellaris - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 11,669 - Reviews: 5 - Favs: 23 - Follows: 26 - Updated: 3/20 - Published: 3/6 - J. Keyes, Cortana, OC
A Spartan out of reach by unnaturalguy reviews
Noble 6 thought this was the end...he was sure it was but now he found himself in a strange land...with nothing else to do he explores. follow noble 6 as he explores Skyrim and make new allies and face new dangers.
Crossover - Elder Scroll series & Halo - Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 4,989 - Reviews: 7 - Favs: 14 - Follows: 21 - Updated: 3/20 - Published: 2/11
Mass Effect: Forward Unto Dawn by WildcatWarrior67 reviews
Spartans never die. They're just missing in action. At least, that's how the saying goes. But for the Master Chief and Cortana, they're no longer missing. Awaking in a different universe, the two of them will uphold their oath: to protect Earth and all her colonies. Only it won't be from the Covenant this time.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 10,714 - Reviews: 46 - Favs: 214 - Follows: 377 - Updated: 3/20 - Published: 11/26/2022 - Master Chief/John-117, Cortana, Shepard
Post Traumatic War Machines by The Shadowscythe reviews
The Spirit of Fire drifted for years after the destruction of the unknown forerunner shield world with it's digital angel clinging to life. The Battlestar Galactica has sent it's Raptor Compliment in search of precious water after it's holds had been sabotaged by a Cylon agent. Unseen hands have created an impossible meeting and now stars will tremble before humanities creations.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Drama - Chapters: 4 - Words: 14,092 - Reviews: 79 - Favs: 226 - Follows: 347 - Updated: 3/20 - Published: 10/25/2023 - J. Cutter, E. Anders, Serina, W. Adama
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: 44 - Words: 176,372 - Reviews: 433 - Favs: 533 - Follows: 684 - Updated: 3/20 - Published: 11/29/2022 - Master Chief/John-117, Cortana, Commander, Rapi
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