Sonic Rivals 2 is a 2007 racing video game, the sequel to the 2006 game Sonic Rivals. The game was made by Backbone Entertainment and supervised by Sega Studio USA, for the PlayStation Portable handheld video game console. Sonic Rivals 2 was released across November and December 2007.

References

    source: http://simple.wikipedia.org/wiki/Sonic_Rivals_2