Um Jammer Lammy

Um Jammer Lammy
North American cover art featuring Lammy and Katy
DevelopersNanaOn-Sha
Namco (arcade)
PublisherSony Computer Entertainment
DesignerMasaya Matsuura
ArtistRodney Alan Greenblat
ComposersMasaya Matsuura
Yoshihisa Suzuki
Shigeyoshi Kawagoe
PlatformsPlayStation, arcade
ReleasePlayStation
  • JP: March 18, 1999
  • NA: August 17, 1999
  • EU: September 10, 1999
Arcade
  • JP: December 15, 1999
GenreRhythm
ModesSingle-player, multiplayer
Arcade systemNamco System 12

Um Jammer Lammy is a 1999 rhythm video game developed by NanaOn-Sha and published by Sony Computer Entertainment for the PlayStation. It is a spin-off and follow up to 1996's PaRappa the Rapper, once again featuring the collaboration of music producer and game designer Masaya Matsuura and artist Rodney Alan Greenblat. An arcade version co-developed by Namco, titled Um Jammer Lammy NOW!, was released in Japanese arcades in December 1999. The game received generally positive reviews from critics.