So I saw and then played this: My reaction: Yeah. Go download the three act demo. Now. It's slightly resource intensive, so be wary of that. Sonic Retro Sonic Fan Remix Available For Download Notes: It's a demo unfinished project. There will be some minor bugs, but generally they have everything down and solid in the gameplay. Sonic controls like his classic self, and it's pretty as all hell. Also, it only works on Windows computers. It also requires you to press the num pad enter key to start if you do not change the controls before launching into the game. Playing the game full screen helps FPS as well. PS: LOL Sonic 4.