Sonic Oxilary is a 2D Sonic fan game that combines elements of past Sonic games, such as SA2, the Advance Games, Heroes, Rush, 06, and the Rivals games. The goal with this game is to make a Sonic fan game which expands on what was great about the official games and make them even better, in a 2D format. The game includes 10 playable characters, plus 2 unlockable ones.