Aliens/Predator and Halo Crossovers
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Halo Odst: Jungle Predator by DK334
A group of Odst troopers on a secret mission that turns deadly when they run into the dangerous Predator.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 924 - Published: 4/11
Halo: Operation Wildfire by Xbamex reviews
The UNSC Infinity has been pursuing Jul 'Mdama's small fleet since the destruction of the Forerunner world Requiem. After weeks of tracking the small Storm Covenant fleet, they find the fleet taking refuge on an uncharted world that UNSC has not discovered yet. **Rated T for violence and profanity. Takes place after the events of Requiem. Fireteam Crimson is included with OC's.**
Rated: T - English - Sci-Fi/Suspense - Chapters: 7 - Words: 21,563 - Reviews: 9 - Favs: 19 - Follows: 14 - Updated: 9/25/2013 - Published: 5/1/2013 - Wolf, T. Lasky, S. Palmer
Anvil of Fates: HALO vs AvP vs STARSHIP TROOPERS by Beta Fett reviews
Ch 8 posted. The crew of the Sentry of Eons fight to regain control of the ship to rescue those left behind on the planet surface, who now come under threat from an ancient enemy that is as deadly to predators, aliens and arachnid as it is to humans. But one of them has faced it before. The battles fought thus far are but the opening shots of the war about to erupt...
Rated: T - English - Sci-Fi/Horror - Chapters: 8 - Words: 94,419 - Reviews: 28 - Favs: 53 - Follows: 52 - Updated: 5/5/2013 - Published: 2/27/2008 - Master Chief/John-117
Halo Alien War by DK334 reviews
This is a crossover between Halo and Aliens. Its about a squad of Odst troopers discovering the alien horde and what becomes of them.
Rated: T - English - Chapters: 4 - Words: 1,083 - Reviews: 1 - Favs: 3 - Follows: 3 - Updated: 11/19/2012 - Published: 11/16/2012 - Complete
Tread LightlyEliii Yiiiti by Ny'Kle reviews
follow the story of Tread Lightly, a xenomorph, annd his travels and his transformation into Eliii Yiiiti, the first xenomorph/precursor hybrid.
Rated: T - English - Chapters: 6 - Words: 2,603 - Reviews: 7 - Favs: 3 - Follows: 3 - Updated: 7/14/2012 - Published: 6/5/2012 - Alien/Xenomorph
Under The Three Moons by Wgreen reviews
When a secret UNSC military facility housing flood is overrun with Xenomorh's ODST Benny Loft Is sent in. However when a pair of Yautja and a pack of vexed Jiralhanae get in the mix things get...complicated.
Rated: T - English - Sci-Fi - Chapters: 4 - Words: 6,119 - Reviews: 4 - Favs: 7 - Follows: 3 - Updated: 3/2/2012 - Published: 8/15/2010
Halo: Venator by Qur'a 'Morhek reviews
There are some secrets that should never be discovered; some shadows that the light should never touch; monsters dwell in the dark spaces, like the bogeymen of childhood, and not all of them are so easily dispelled...
Rated: K+ - English - Sci-Fi/Horror - Chapters: 4 - Words: 44,404 - Reviews: 14 - Favs: 15 - Follows: 14 - Updated: 12/29/2011 - Published: 11/28/2010
Helljumpers: A New Hell by DelVarO reviews
A simple mission goes wrong, as a squad of ODST finds themselves in a place where everyone wants everyone else dead, and they seem to be on the first priority. Chapter 10 is up!
Rated: T - English - Sci-Fi - Chapters: 10 - Words: 39,270 - Reviews: 19 - Favs: 24 - Follows: 27 - Updated: 11/10/2011 - Published: 7/26/2009
2551, The Changing Disaster by Grant the Hunter reviews
Ten days after the launch of the Covenant invasion of the plant Earth; UNSC, spartan Chase Elten is deployed to investigate the covenant science corvette RENEWAL. This ship, shot down five days earlier by UNSC forces, carries far greater dangers then told
Rated: T - English - Horror/Sci-Fi - Chapters: 1 - Words: 6,045 - Reviews: 2 - Favs: 1 - Published: 6/19/2011
The New Fight by ShadowX264 reviews
After drifting around for weeks on end, the Chief and Cortanna are picked up by a mysterious race who enlist his help against an enemy older and more terrifying than the flood.
Rated: T - English - Sci-Fi/Horror - Chapters: 7 - Words: 15,911 - Reviews: 29 - Favs: 45 - Follows: 29 - Updated: 10/16/2010 - Published: 8/28/2009 - Master Chief/John-117
Halo: Acheron by G. Langland reviews
Years before the events of the first Halo, the Master Chief and two other Spartans are sent to investigate a distress call from a far-flung moon...a moon called Acheron.
Rated: T - English - Sci-Fi/Horror - Chapters: 5 - Words: 37,454 - Reviews: 29 - Favs: 80 - Follows: 12 - Updated: 8/5/2010 - Published: 2/1/2010 - Master Chief/John-117 - Complete
The Cat That Knows Where It's At by Hawki reviews
Oneshot: Having realized that Ripley wasn't coming back, Jonesy was determined to get off Gateway Station, regardless of destination. However, he hadn't counted on that destination being another universe...
Rated: K+ - English - Chapters: 1 - Words: 1,265 - Reviews: 2 - Favs: 7 - Follows: 2 - Published: 3/7/2010 - Jones, Jonesy - Complete
Halo vs Alien vs Predator by IrukaUmino reviews
On a distant planet, The Arbiter goes to battle, meanwhile the race of Predators the Yautja are ready for the ultimate hunt, Arbiter. When a team of Marines finds an alien egg all heck breaks loose!
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 965 - Reviews: 8 - Favs: 3 - Follows: 3 - Published: 1/16/2010 - Arbiter
Oddball by Deviously Deviant reviews
In short, some of my AvP fan-characters playing a nice game of Oddball from Halo.
Rated: T - English - Humor/Sci-Fi - Chapters: 5 - Words: 2,990 - Reviews: 3 - Favs: 3 - Follows: 1 - Published: 5/14/2009 - Complete