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Our Legacy by Infini0n reviews
the newest age of super-soldiers is given a new assignment, and it looks to be a cakewalk, until a traitor kills his inductor and escapes with no evidence to prove otherwise. Whats a spartan to do? Hunt the Traitor Down, that's what! ME with my own personal twist of Halo Awesomeness. M for death, blood and gore, lots of bullets, Language, and mature situations and themes.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 11 - Words: 73,914 - Reviews: 28 - Favs: 58 - Follows: 76 - Updated: 12/18/2014 - Published: 12/31/2011 - Master Chief/John-117, Shepard
Haolid: The Rings in our Space by CuteGirlSixtyNine reviews
i hop this teaces u all a lesion
Crossover - Metroid & Halo - Rated: M - English - Adventure/Angst - Chapters: 1 - Words: 1,702 - Reviews: 7 - Favs: 2 - Follows: 1 - Published: 12/18/2014 - Complete
The Alliance's Spartan by soran51 reviews
The Great War has ended. Spartan S-989, Marcus, is one of the many Spartans now in service to the UNSC and it's allies. When he and his companion AI, Ariel, encounter an unknown installation they're ordered to investigate. When the installation hits them with an energy pulse, their slipspace generator malfunctions sending them further than they could ever imagine.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 32,699 - Reviews: 72 - Favs: 232 - Follows: 319 - Updated: 12/17/2014 - Published: 2/10/2014 - J. Garson, Ashley W., Kaidan A., Tali'Zorah
The Aspect of Fire - Return of Silentium by Raptor of Sanghelios
After the Master Chief disappears through unknown means, the UNSC destroys the Didact but at the cost of Earth. Desperate to survive, they join forces with their allies and form the Human-Sangheili Coalition. Ten years later, a research facility goes dark. A nearby fleet arrives to assess what happened. What they find will change their lives, and those of another universe, forever.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 573 - Favs: 10 - Follows: 10 - Published: 12/12/2014 - Arbiter, Rtas 'Vadumee, OC, OC
Six's Rebirth by Mikat2 reviews
"The day I died, I lived." Six has died on Reach, but he has come back in the kung fu panda universe, and is ready to fight. Join him on his journey as he fights foes who will become his friends, and remember to leave a review, and thank you for taking the time to read this. ENJOY!
Crossover - Halo & Kung Fu Panda - Rated: T - English - Friendship/Adventure - Chapters: 1 - Words: 1,287 - Reviews: 14 - Favs: 7 - Follows: 10 - Published: 12/12/2014
its worth the risk by century99 reviews
what happens when a genetically altering military force comes to a peaceful city of rio, but what happens when some one might not walk back to the family tune in and like always leave reviews:MAY GO UP IN RATING IN THE FUTURE IT DEPENDS
Crossover - Halo & Rio - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 1,734 - Reviews: 3 - Favs: 1 - Follows: 1 - Updated: 12/12/2014 - Published: 3/1/2013 - Master Chief/John-117, Blu
Inheritance: The Mantel's Challenge by Reaper VF6 reviews
It has been 40 years since the Great War ended the UNSC has faced and defeated numerous threats. They are the inheritors of the Mantel and the Forerunners have challenged them to claim. Set in Mass Effect 1, it shows the UNSC reconciling with the Systems Alliance, the Citadel Council, and the Reapers as the UNSC and its Allies, the Imperium try to claim and uphold the Mantel.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 45,059 - Reviews: 115 - Favs: 316 - Follows: 373 - Updated: 12/11/2014 - Published: 9/14/2013 - OC, Master Chief/John-117, Admiral Hackett, Shepard
A New Battleground by AlphaGuardian reviews
The remains of Team NOBLE go MIA during their mission to deliver The Package to the Pillar of Autumn. They find themselves staring down the singular threat to another galaxy: the Collectors. Follow Six as she teams up with Commander Shepard to destroy the Collectors and the Reapers. (Part 2 is up! Go look for it.)
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 60,260 - Reviews: 94 - Favs: 204 - Follows: 196 - Updated: 12/8/2014 - Published: 5/24/2014 - Cortana, SPARTAN-B312/Noble Six, Shepard - Complete
Halo: Elemental Storm by Asgardian Dovahkiin reviews
Sequel to Ancient Elements. Several months have passed since the awakening of the Didact and the attack on Earth, Avatar Korra tries to adjust to what is to come, both from the growing presence of the UNSC and from the evil that comes from beyond. Rating is a subject to change.
Crossover - Halo & Legend of Korra - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 64,785 - Reviews: 92 - Favs: 78 - Follows: 56 - Updated: 12/8/2014 - Published: 1/20/2014 - [Korra, Mako] S. Palmer, T. Lasky - Complete
Undercover by Bum507 reviews
A new galaxy has been found, but this one is controled by the the Republic. Unknown to the Republic, ONI has been tasked with gathering all of the possible information by any means. Needing local agents, ONI sets their sights on recruiting a particular ex-padawan. Set after The Wong Jedi in Star Wars: The Clone Wars. A bit of AU
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 4,377 - Reviews: 59 - Favs: 99 - Follows: 149 - Updated: 12/7/2014 - Published: 4/6/2013 - Ahsoka T.
149 by xfoxgamerx reviews
When offered a new life by Doctor Halsey, a six year old Harry Potter says yes. This is the life of SPARTAN-149.
Crossover - Harry Potter & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 4,790 - Reviews: 22 - Favs: 156 - Follows: 197 - Updated: 12/7/2014 - Published: 8/21/2013 - Harry P., Hermione G., Master Chief/John-117
Battle of Coruscant by NewWorldFiction reviews
The Pillar of Autumn has escaped Reach, but this time there're not going to be find a halo ring, but the very heart of the Republic. One shot. Mild cursing.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 3,292 - Reviews: 8 - Favs: 41 - Follows: 34 - Published: 12/7/2014
Halo one half by moritynz reviews
Ranma gets bought to the future to save the Human race as a SPARTAN, because Ranma Saotome doesn't lose. Chap 5 up... again.
Crossover - Ranma & Halo - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 5 - Words: 19,066 - Reviews: 71 - Favs: 130 - Follows: 217 - Updated: 12/6/2014 - Published: 5/17/2008 - Ranma, Master Chief/John-117
New Blood of a Lost Age by Bean De La Meme reviews
The Master Chief and Cortana have decided to help out with a new UNSC experiment to travel faster than ever before. Until they end up crash landing in the waters of the fierce Vikings of Berk. How can they possibly get out of this one? No flames please (whatever that means) ;)
Crossover - Halo & How to Train Your Dragon - Rated: T - English - Adventure/Fantasy - Chapters: 21 - Words: 28,382 - Reviews: 50 - Favs: 77 - Follows: 75 - Updated: 12/5/2014 - Published: 8/25/2013 - T. Lasky, Hiccup - Complete
Demon by NathanHale2 reviews
Zero Requiem has failed. Humanity returned to it's roots swiftly and soon began to tear itself appart, when a force neither man nor the C-Collective struck earth and wrecked havock across the entire galaxy. To combat these Unforseen Consequences Lelouch has to make the ultimate sacrifice, surpassing Zero Requiem. Molded in the flames of war Lelouch becomes what he is destined to be
Crossover - Halo & Code Geass - Rated: M - English - Sci-Fi/Suspense - Chapters: 2 - Words: 15,111 - Reviews: 18 - Favs: 40 - Follows: 48 - Updated: 12/4/2014 - Published: 10/24/2014 - Lelouch L.
Master Chief and Ragnar aim to reclaim istavan XII by JintaRequim reviews
Hi guys, sorry i took so long for a new story, been busy with military stuffs hardly anytime to do my stuff. Well this is my first part story , more to come in the near future. Cheers!
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 5,250 - Reviews: 3 - Favs: 4 - Follows: 3 - Published: 12/2/2014
Halo: Sword and SHIELD by N0b0dyInParticular reviews
After opening Requiem, the Master Chief finds himself embroiled in a fight against the Storm Covenant in a strange, new world. Along side this Earth's Mightiest Heroes, John will try to find a way home- where ever that may be for him. Halo/Marvel MCU crossover- Marvel characters not found in the Cinematic Universe will appear. All I.P.s belong to their rightful owners.
Crossover - Halo & Avengers - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 4,125 - Reviews: 13 - Favs: 65 - Follows: 93 - Updated: 12/2/2014 - Published: 11/10/2013 - Master Chief/John-117, Cortana, Black Widow/Natasha R., Iron Man/Tony S.
Morphosis by Mr. Anderson Welcome Back reviews
In a universe where Halo's technology, events, and characters exist in the year 2013 (Ex: Halo's events took place in 2002, instead of 2552), an unknown terror had lived in Titans Tower for years; all of the Titans were oblivious. This reveals the horrifying truth of the danger and its eventual "Morphosis." Focusing on Starfire and Robin mostly, ft Cyborg, an Arbiter, and Chief.
Crossover - Teen Titans & Halo - Rated: M - English - Sci-Fi/Drama - Chapters: 4 - Words: 6,817 - Reviews: 3 - Follows: 1 - Updated: 11/30/2014 - Published: 6/19/2013 - Master Chief/John-117, Arbiter, Robin, Starfire
The Battle against the decepticons by darkblade393 reviews
While Chief and Cortana are flying in the air they get shot at by a ship but it's not the covenant
Crossover - Halo & Transformers - Rated: T - English - Sci-Fi/Supernatural - Chapters: 2 - Words: 654 - Reviews: 7 - Favs: 8 - Follows: 10 - Updated: 11/29/2014 - Published: 9/6/2014
The Mantle Beyond The Eons by SuperW1998 reviews
After 100,000 years of Atonement, the Forerunners arrived at the Mass Effect Galaxy. The Reapers threaten every organic life, and in the hands of the Iso-Didact is the fate of his people or this new galaxy. Set in Pre-Mass Effect 3. I do not own the Halo series or the Mass Effect Universe.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 10 - Words: 40,564 - Reviews: 190 - Favs: 295 - Follows: 328 - Updated: 11/28/2014 - Published: 5/21/2014 - IsoDidact/Bornstellar Makes Eternal Lasting, Admiral Hackett, Illusive Man, Shepard
Fight of Our Lives by Geeks of the South
Ares here with a new story guys, our last story revolved around Supernatural and Dr. Who, so this one shall revolve around Supernatural and Halo. However no main characters in this story are in either series. Except Chief 117 is mentioned. Hope you enjoy, any pointer or comments, lemme know. Stay Classy, Ares out...
Crossover - Halo & Supernatural - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 1,613 - Favs: 1 - Follows: 1 - Updated: 11/28/2014 - Published: 11/26/2014
The Mass Effect of One Spartan by Iron Wolf1x reviews
One Spartan and his A.I. are thrown into the Mass Effect world. Read as the appearance of one man can change many things for the future of everyone
Crossover - Halo & Mass Effect - Rated: M - English - Chapters: 1 - Words: 3,129 - Reviews: 1 - Favs: 12 - Follows: 22 - Published: 11/27/2014 - OC
Fallout of Halo Installation 04 by Shadowmane2001 reviews
Attempting to defuse a Fission bomb, The Lone Wander ends up on Halo Installation 04. There meeting the Master Chief, he is interrogated and it is discovered not only does he have incredible physical enhancements and combat training. But also has technical data that my provide the critical edge needed to turn the tides of a war they are loosing.
Crossover - Fallout & Halo - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 8,744 - Reviews: 5 - Favs: 57 - Follows: 65 - Updated: 11/27/2014 - Published: 9/9/2014 - Lone Wanderer, Master Chief/John-117, Cortana, J. Keyes
The Lunar Spartans by M306117 reviews
Losing a war against the Solar Empire, Princess Luna summons the best fighters in the universe to bolster her fledging forces. Instead she gets two Spartans with a... unique way of working. From explosions to shark weeks to flying through the air, these are their after actions reports.
Crossover - My Little Pony & Halo - Rated: M - English - Adventure/Humor - Chapters: 13 - Words: 62,062 - Reviews: 60 - Favs: 29 - Follows: 25 - Updated: 11/20/2014 - Published: 1/3/2014 - Princess Luna/Nightmare Moon - Complete
Touché Stars: Humans Don't Like Horrible Fanfictions by Section 3 reviews
- Mass effect / lok / halo / warhammer crossover - To express my hate of the rampant clichés present in most halo and mass effect crossovers, I have decided to stick so many clichés in one story, that it becomes insane. Enter insanity. The inspiration for this story came from 'Korra doesn't like Fanfiction', by I'mNotGoodAtThis. (P.S., he is). MAKORRA IS COMING BACK! With Kuvira
Crossover - Halo & Legend of Korra - Rated: T - English - Chapters: 11 - Words: 10,669 - Reviews: 35 - Favs: 16 - Follows: 17 - Updated: 11/19/2014 - Published: 3/25/2014
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