The characters below can be unlocked in the game. The instructions to do so are somewhat general, since you are able to unlock many of these characters at some point while playing events on the stages listed. However, by completing all events on the stage listed on the right, the character on the left should be unlocked.

• Alex Kidd - Alex Kidd stage
• Amy Rose - Sonic the Hedgehog stage
• Gilius Thunderhead - Golden Axe stage
• Gum - Jet Grind Radio stage
• MeeMee - Super Monkey Ball stage
• Pudding - Space Channel 5 stage
• Reala - NiGHTS stage
• Shadow the Hedgehog - Sonic the Hedgehog stage