Sonic the Hedgehog and Portal Crossovers
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Testing With Tails by ASHPoD67 reviews
"A fox with two tails and an IQ of 400? At age 8 in fox years? This should be interesting..."
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,009 - Reviews: 8 - Favs: 10 - Follows: 12 - Published: 3/19/2013 - Tails, GLaDOS
S0nic by Lewis Moore reviews
Eggman makes a deal with GLaDOs to give her 4 new test subjects and in return make him an A.I body. Takes place after the events of Portal 2.
Rated: T - English - Sci-Fi/Humor - Chapters: 6 - Words: 4,604 - Reviews: 4 - Favs: 5 - Follows: 6 - Updated: 11/19/2012 - Published: 6/15/2012 - Complete
The Origins of Franco by GH05TY
What happens when you cross a failed attempt at a genetically modified hedgehog, a trio of corrupted computer cores, and a chaotic explosion in the time-space continuum? The answer is...
Rated: K+ - English - Parody/Sci-Fi - Chapters: 1 - Words: 2,203 - Favs: 1 - Published: 10/29/2012 - Sonic, Wheatley - Complete
Crossed Paths: The Ultimate Crossover Saga by ShadowE reviews
The story continues in the brand new epic Crossover saga, Crossed Paths. This time we revisit the apparent villain of the piece, as he's joined by a certain "Eggman" to aid in his plans...
Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 4,384 - Reviews: 2 - Favs: 1 - Follows: 2 - Updated: 8/16/2012 - Published: 3/1/2012 - Dr. Robotnik/Dr. Eggman, GLaDOS
Family Ties by ShadowPhantom14 reviews
Why does he know so much about Aperture Science? GlaDOS calls him the "perfect tester", and when Wheatley shows up, it's time his friends knew the truth. But what truth? What has Sonic been hiding all this time?
Rated: K+ - English - Family/Friendship - Chapters: 15 - Words: 20,281 - Reviews: 55 - Favs: 50 - Follows: 46 - Updated: 7/30/2012 - Published: 5/16/2011 - Sonic, Wheatley
Coop that never should have happened by Nate-Miki
Maria and Elise are being used as Lab Rats. By Glados.
Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 586 - Published: 4/15/2012
Portal 2 Moubuis by Super-Ari-Chu reviews
Sonic and the Gang end up in a strange place with some strange robots. Will they be able to escape this mad house? Or will some of them die trying?
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 2,568 - Reviews: 4 - Favs: 4 - Follows: 3 - Updated: 9/20/2011 - Published: 9/4/2011
ShadowPortal by robman reviews
Shadow and Amy are Still Alive and have the experience of their lives. With science!
Rated: T - English - Sci-Fi/Romance - Chapters: 1 - Words: 418 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 5/26/2011 - Shadow
Light Gaia Still Alive by Matthais Unidostres reviews
A Sonic Unleashed parody of the song "Still Alive" from Portal, staring Chip/Light Gaia.
Rated: K+ - English - Parody/Poetry - Chapters: 1 - Words: 806 - Reviews: 3 - Favs: 3 - Published: 5/21/2011 - Chip/Light Gaia - Complete
Cosmo Still Alive by Matthais Unidostres reviews
A Sonic-X parody of the song "Still Alive" from Portal, staring Cosmo, and to a lesser extent, Shadow.
Rated: K+ - English - Parody/Poetry - Chapters: 1 - Words: 900 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 5/21/2011 - Cosmo - Complete
Speedy Portals by AnntheHedgehog reviews
Sonic leaves his family and reappears at Aperturte two years later.
Rated: K - English - Sci-Fi/Romance - Chapters: 1 - Words: 1,223 - Reviews: 1 - Favs: 2 - Published: 4/28/2011 - Sonic