Sonic the Hedgehog: Project Mettrix

About

Sonic the Hedgehog: Project Mettrix is a fan game led by Stealth, created using his own E02 Game Engine. This platform makes this game available to DOS, Windows, Linux, MacOSX, PSP (CFW), and Wii (Homebrew Channel) users, and has allowed a significant amount of mechanical evolution from the game's earlier incarnations.

Source: IGDB