Digital Praise has released an addition to its Guitar Praise guitar controller game that celebrates the 25th anniversary of the pioneering Christian rock group Stryper.

The Guitar Praise Stryper Expansion Pack, retailing for $19.95, features 25 tracks from the band's albums, including "To Hell With The Devil," "Soldiers Under Command," "Murder By Pride" and "Open Your Eyes."

Digital Praise is under a pending merger agreement with Left Behind Games.