Um Jammer Lammy (1999)

Um Jammer Lammy is a rhythm-based game that takes place in the PaRappa world and tells the story of the all-girl pop rock band, MilkCan. The game has very humorous and catchy music tracks, co-op gameplay, and a plethora of unlockables.

• Release Date: March 18, 1999
• Developer: Sony Computer Entertainment