SONIC RIVALS (PSP PORTABLE PLAYSTATION)

Sonic Rivals is a platform/racing video game developed by Backbone Entertainment for publisher Sega. It's the first Sonic game to be released for PlayStation Portable in 2006. It's the first Sonic game to be developed by a Canadian company.

Underneath these platform game aspects lies a time trial game against an opponent, either controlled by artificial intelligence or by another player, specific to racing video games.