Rock Band Unplugged is an expansion of the Rock Band series of music video games released for the PlayStation Portable. The game is developed by Backbone Entertainment in conjunction with Harmonix and is distributed by MTV Games and Electronic Arts.
Initial release date: June 9, 2009
Series: Rock Band
Genre: Rhythm game
Platform: PlayStation Portable
Developers: Harmonix Music Systems, Backbone Entertainment
Publishers: Electronic Arts, MTV Games