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The Spartan Effect
by Gatekeeper333 reviews
Everyone's favorite Spartan is looking for a new purpose, lucky for him, the Commander his happy to oblige.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 27 - Words: 262,984 - Reviews: 973 - Favs: 1,540 - Follows: 1,967 - Updated: 5/31 - Published: 3/27/2011 - Master Chief/John-117, Tali'Zorah, Miranda L., Shepard (M)
Contact at Kobol
by wilkins75 reviews
The scrolls tell that 13 tribes left the birthplace of humanity on Kobol, 12 went one way and the other Earth went another only to lose all contact with their cousins. It is written that one day they would reunite but when they Earth meets their cousins it is not what they expected and it would cost both sides in blood. (Stargate SG1/Battlestar Galactica)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure - Chapters: 80 - Words: 478,758 - Reviews: 5093 - Favs: 1,034 - Follows: 1,235 - Updated: 5/25 - Published: 3/20/2015 - Complete
The Infinity Effect
by creamofwheat2311 reviews
After discovering a Precursor artifact, the UNSC Infinity and the Sangheili Shadow of Intent are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined: the Reapers. Alliances are founded, friendships are formed, and decisions are made that will change this galaxy forever.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 33 - Words: 309,896 - Reviews: 2577 - Favs: 2,896 - Follows: 3,508 - Updated: 4/6 - Published: 10/9/2013 - Master Chief/John-117, T. Lasky, Admiral Hackett, Shepard (M)
SG13 The Cylon War
by ShadowXV reviews
What happens when Earth is informed about a group of unknown humans by the Asgard and Earth with some help sneaks in an SG team. I got a new beta we are currently going through all chapters.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Chapters: 11 - Words: 108,645 - Reviews: 217 - Favs: 261 - Follows: 375 - Updated: 3/29 - Published: 5/23/2015
Halo: New Horizons
by creamofwheat2311 reviews
In 2559, and the UNSC has discovered a large anomaly on the edge of the galactic rim. What it turns out to be has the potential to change history, but maybe not in the way the UNSC intended. Meanwhile, with the first Death Star destroyed, the Rebel Alliance is desperately trying to overthrow the Empire, but it will take the help of new allies to liberate the galaxy. Discontinued.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 155,262 - Reviews: 914 - Favs: 953 - Follows: 1,007 - Updated: 9/30/2016 - Published: 11/1/2012 - Luke S., G. Marek/Starkiller, T. Lasky - Complete
The Halo Effect
by Agentweapon Proelium-Tempus reviews
The UNSC dispatches a small task force to investigate an artefact with origins not of the Orion Arm. The Citadel Races, including the Systems Alliance, are in for an eye opener when two new players in galactic prowess are not only technologically superior but also not bound by the Element Zero and its constraints. Rated T for reasons. AU in both Halo and ME events.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 16 - Words: 50,729 - Reviews: 356 - Favs: 1,062 - Follows: 1,379 - Updated: 9/26/2016 - Published: 8/6/2015 - Master Chief/John-117, OC, Shepard (F)
Land of Heroes
by Harbinger Of Kaos reviews
This is my attempt at Halo cross, please respect the fact that i am not entirely familiar with this universe, in which universe Marvel or DC it begins in is entirely up to me and you, so with that said lets begin, there will be strong language and gore.
Crossover - Marvel & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 16 - Words: 215,322 - Reviews: 638 - Favs: 1,010 - Follows: 944 - Updated: 8/20/2015 - Published: 12/15/2010 - Master Chief/John-117
by General Rage reviews
Fleeing from the glassing of Reach in the belly of the Pillar of the Autumn, the crew of the SR-2 Normandy find themselves stranded with their UNSC allies on a strange Forerunner constructed ring world called Halo with the Covenant hunting them. But Halo holds a secret, one deadlier than both the Covenant and Reapers combined... and it's hungry.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 38 - Words: 890,040 - Reviews: 991 - Favs: 566 - Follows: 520 - Updated: 1/28/2015 - Published: 11/5/2012 - Master Chief/John-117, Shepard (M) - Complete
Mass Effect X Halo Spartan Dawn
by Freedom Guard reviews
Yet another creation of mine to help ease my mind, I hope that everyone does not mind seeing this one. I know there are a lot of crossover with Mass Effect and Halo, but no sense not trying a bit of it in my free time. Story on Ice, Updating all NON Halo stories is priority now.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 233,980 - Reviews: 889 - Favs: 1,273 - Follows: 1,153 - Updated: 8/27/2014 - Published: 10/8/2010 - Master Chief/John-117
by Cornelius Scipio reviews
The crew of SDF-1 escape from the Zentraedi, but end up a little farther than expected. Only to land in the backyard of another conflict just beginning.
Crossover - Robotech/Macross & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 19,464 - Reviews: 54 - Favs: 77 - Follows: 123 - Updated: 7/10/2013 - Published: 4/12/2013
Star Trek Voyagers Halo reviews
Qu'arrive-t-il quand le Voyager détecte une déformation de l'espace temps et qu'elle y trouve les reste de la frégate Forward Unto Dawn.
Crossover - StarTrek: Voyager & Halo - Rated: K - French - Chapters: 13 - Words: 58,683 - Reviews: 4 - Favs: 5 - Follows: 5 - Updated: 6/27/2013 - Published: 5/26/2012 - Master Chief/John-117