Halo and Attack on Titan/進撃の巨人 Crossovers
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Demon of Paradis (Cover by: ThatGuyOnyx) by GrowlingScarab7 reviews
"Distress Beacon Placed. The Signal's Weak, so don't expect a fast response." Who would have thought that out in the unknown regeons of the galaxy, a sect of humanity thrived or rather clinged to a faint hope of survival. At the brink a destruction a new hopes descends upon them... inside of 12 million tons of titanium. Will he be a savior or one of the very demons they fear.
Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 14,173 - Reviews: 27 - Favs: 113 - Follows: 165 - Updated: 1/1 - Published: 5/3/2021 - Master Chief/John-117
The Tale of Angmar by Romantic Warrior 1999 reviews
A short, spin-off story. The Armored Titan faces off against a dark opponent.
Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,551 - Reviews: 3 - Published: 2/17/2020 - Complete
Attack on Titan: Spartan Assault (Returned) by JoshMaxii reviews
Humanity is under siege. For 107 years, they have been forced to cower behind their walls in the face of the greatest threat they have ever known; the Titans. But, in their darkest hour, help arrives from the stars. John-117 may be able to change the tide of war, but new threats lay beyond the horizon, and it's not just the flesh eating giants he has to worry about. (Ch 6 WIP)
Rated: M - English - Horror/Sci-Fi - Chapters: 6 - Words: 32,267 - Reviews: 382 - Favs: 827 - Follows: 1,072 - Updated: 1/25/2020 - Published: 9/20/2013 - Master Chief/John-117, Cortana, Eren Y., Mikasa A.
SPARTAN B-312: Sean Yeager, The Different Child by Maj. Wipeout reviews
Spartan in AOT World. Spartan Dominance [Semi-OP B-312][Semi-OP Mikasa] I've just updated it, but i'm not sure as to how much more will be produced. Chapter 1 has been re-written, no more horrible writing! Nah its still pretty bad, but I'm tryin!
Rated: T - English - Fantasy/Adventure - Chapters: 7 - Words: 6,383 - Reviews: 20 - Favs: 41 - Follows: 42 - Updated: 1/9/2019 - Published: 5/12/2015 - SPARTAN-B312/Noble Six, Eren Y., Mikasa A.
Monsters Thunder in the Sky by WDO345 reviews
Covenant Battle Group discovers a Forerunner World where the Shingeki No Kyojin World takes place in. The year is 850, and the Covenant launches an extermination campaign to capture the Forerunner world. Story Idea. Creative Test. Up For Adoption.
Rated: T - English - Sci-Fi - Chapters: 1 - Words: 2,491 - Reviews: 4 - Favs: 10 - Follows: 13 - Published: 10/7/2018
HE-WHO-DECIDES-HOW-HARD-THE-FOOT-IS-SHOVED-UP-THE-ASS by Romantic Warrior 1999 reviews
The battle that never happened... The unposted, dramatic chapter that describes the battle between the Female Titan and the eccentric Crimson Spartan.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 9,652 - Reviews: 7 - Favs: 4 - Follows: 3 - Published: 10/21/2017
Attack on the multiverse by SuperAlecGuy reviews
When A tear is the space time continuum launches the heroes from the worlds of attack on titan, halo, and soul eater into one universe, they form an alliance as they travel through the multiverse solving one universe's problems at a time. WHO WILL DIE? WHO WILL LIVE? WHERE WILL THEY GO AFTER THEY SAVE THEIR UNIVERSES? seriously i don't know... HELP ME!
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,555 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 9/27/2015
Rebirth of the UNSC by Trane7 reviews
When the Spirit of Fire was left adrift in space, they had no inclination to believe that they would return to the UNSC they knew. So when they stumbled upon a habitable planet, filled with monsters of grotesque design, they had decided to rebuild. Using technology and will they would rebuild. But they would soon learn, they weren't the only humans.
Rated: M - English - Chapters: 24 - Words: 93,522 - Reviews: 185 - Favs: 292 - Follows: 305 - Updated: 8/18/2015 - Published: 11/5/2014
Codename: Hannibal by Reservation Red reviews
Insurgency used to be the problem. That's all it was-the outlying colonies no longer wanting to be caged in, but it's not always like that. Not anymore. Bad luck has the habit of bringing a few friends. Yumikuri Halo Universe Crossover Yuri Ymir Krista Historia
Rated: M - English - Sci-Fi/Romance - Chapters: 5 - Words: 8,718 - Reviews: 6 - Favs: 11 - Follows: 15 - Updated: 6/15/2015 - Published: 4/7/2015 - [Krista L., Ymir]
The Fall by lone wolf legendary reviews
Over the course of the Fall of Reach, billions died to the Covenant, but some managed to survive. This is the story of one such group of survivors who after escaping reach, find themselves crash landed on a planet where the greatest threat to humanity is not the Covenant... but Titans. How will the adapt and who can they trust.
Rated: M - English - Adventure/Horror - Chapters: 9 - Words: 39,704 - Reviews: 133 - Favs: 302 - Follows: 351 - Updated: 5/26/2015 - Published: 1/10/2014 - SPARTAN-B312/Noble Six, Eren Y., Erwin S., Levi A.
HALOATTACK ON TITAN by Mr-Worth-A-Read reviews
When a UNSC Ship crashes on an unidentified planet, the Master Chief leads a team of Spartans to investigate. However, when they arrive, Spartan Blue Team is caught up in a war for survival against an enemy that even the Covenant fears... Rated T for frequent violence and language. (Yes I know the title isn't very original.)
Rated: T - English - Sci-Fi/Suspense - Chapters: 3 - Words: 1,210 - Reviews: 7 - Favs: 10 - Follows: 12 - Published: 5/3/2015 - Master Chief/John-117, Fred-104, Eren Y., Mikasa A.
An AI, A Spartan And A Fan by Hardcore817sj reviews
A Crossover of Halo, Real world, Eragon, and Attack on Titan. Enjoy my pretty's! (First Story) T for gore and language.::::::::: Will be coming out of hiatus soon, Very soon indeed.
Rated: T - English - Mystery/Sci-Fi - Chapters: 9 - Words: 3,741 - Reviews: 2 - Favs: 10 - Follows: 8 - Updated: 3/30/2015 - Published: 5/7/2014 - [Mikasa A., OC] Jun-A266/Noble Three, Levi A.
Soldiers Luck by Rookie117 reviews
After a Charon-class frigate of the UNSC makes a Cole protocol jump and its slip-space drive goes haywire. The crew find themselves in a land not their own. Where giant humanoid cannibals feast, or attempt to anyway, on humans. How will they cope?
Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 10,132 - Reviews: 46 - Favs: 66 - Follows: 92 - Updated: 2/14/2015 - Published: 2/2/2015
Attack on halo by aidenbailey reviews
This is just a chapter i did of an AU i though of in college enjoy and give feed back please
Rated: K - English - Adventure/Sci-Fi - Chapters: 1 - Words: 704 - Reviews: 2 - Favs: 3 - Follows: 4 - Published: 1/17/2014
Attack On SPARTAN by Dr. McWeazel reviews
Chapter 3 is up, folks. Introduced an old friend of ours into the story. Not exactly the kindest person, but she'll be sure to add something of worth to the story. Anyway, thanks for reading. And do I have that TV Tropes recommendation yet? Seriously, though, thanks for spending your time reading my story. [Sorry for the erratic updates. No set schedule for that sort of thing.]
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 11,300 - Reviews: 22 - Favs: 33 - Follows: 50 - Updated: 1/16/2014 - Published: 12/27/2013