Updates
Dreamcast Era
Speed Highway (Adventure), City Escape (Adventure 2), Seaside Hill (Heroes)
Modern Era
Crisis City (2006), Rooftop Run (Unleashed), Planet Wisp (Colors)
Also available as a PC (Steamworks) game.
Music Time!
Modern Mixes of Chemical Plant Zone (Sonic 2), Seaside Hill (Sonic Heroes), Rooftop Run (Sonic Unleashed)
Played live at the Tokyo Game Show.