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Halofall Star Effect by
jcrighter reviews
What happens when some of the greatest sci-fi characters are brought into the same universe? Read to find out. Based in the Halo Universe, these character must work together to defeat common enemies and make the return trips home.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 63,121 - Reviews: 51 - Favs: 77 - Follows: 74 - Updated: 7/18/2014 - Published: 5/19/2014 - Master Chief/John-117, T. Lasky, Shepard (M), OC - Complete
The Only Way is Forward by
BlindKnight reviews
When a mysterious portal appears at the edge of the Oort Cloud in space, a UNSC fleet is dispatched, only to find themselves in a completely different universe where yet another ancient Galactic threat is upon them. Post Halo 4, ME1.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 5 - Words: 11,388 - Reviews: 64 - Favs: 245 - Follows: 335 - Updated: 5/3/2014 - Published: 1/26/2014