Source Engine Mapper and Skinner mainly for Portal.
Mod Review on Jun 8th, 2011
Pros: Great Design and Quality along with challenging gameplay.
Cons: Few bugs.
Game Review on Feb 5th, 2011 - 2 people agree
Amazing classic gameplay the way we all want to play sonic games. the multi-player is OUTSTANDING! The developers worked hard and released a fantastic game! DOWNLOAD IT NOW!!!! SONIC FANS MUST!!!!
Mod Review on Jan 2nd, 2011 - 1 person agrees 1 person doesn't
By far the best Portal mod ever. Great and challenging puzzles and an interesting story that will keep you hooked until the end. Excellent textures and design, makes for the perfect game feeling.
Game Review on Oct 1st, 2010
No review provided