Sonic the Hedgehog and Half-Life Crossovers
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Mobius Opposing Forces by LegoMan7.62
Gman gives everyone's favorite HECU Marine a new assignment. And where else if not Mobius. Shephard now has to help Sonic and his friends fight Robotnik, until a new enemy arrives to conquer the whole planet... R&R, Enjoy!
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 956 - Updated: 12/9/2014 - Published: 11/27/2014 - Sonic, Sally, A. Shephard, G-Man
Chaos Cascade by MisterCereal reviews
Gordon Freeman, an average scientist working at the Black Mesa Research Facility, is in charge of handling the newest test subject; and odd green crystal-like object.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 487 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 4/27/2014
HalfLife: Source Code by thermonuclear.cupcake reviews
Some thing at Black Mesa has gone terribly wrong, and there's only two people who can clean it up.
Rated: T - English - Suspense/Adventure - Chapters: 2 - Words: 852 - Reviews: 4 - Favs: 4 - Follows: 2 - Updated: 1/4/2012 - Published: 12/28/2011 - Sonic
The Adventures of the One Free Hedgehog by I Really Hate Captchas reviews
ur all still gay
Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 989 - Reviews: 10 - Favs: 1 - Follows: 1 - Published: 6/23/2010 - Complete
The combines reckoning by Tlaloc Amnell reviews
The Combines Reckoning is a small story with my character Tlaloc and a few others who get sent back in time to City 17.
Rated: T - English - Sci-Fi/Mystery - Chapters: 1 - Words: 3,415 - Reviews: 1 - Follows: 1 - Published: 1/11/2010