Um Jammer Lammy

Um Jammer Lammy is a 1999 rhythm game developed by NanaOn-Sha and published by Sony Computer Entertainment, set in the PaRappa the Rapper universe. Players guide Lammy, guitarist for the all-girl pop-rock band MilkCan, through humorous musical stages, with gameplay built around timed button presses to music. The game is a spin-off and follow-up to PaRappa the Rapper and received generally positive reviews.

Two PAL variants are catalogued, covering the UK and a continental European pressing spanning France, Germany, Italy, and the Netherlands. Both releases are presented in Full Jewel PAL cases with a standard hologram on the case, and support English, French, German, Italian, and Spanish on a single disc. Both variants were released on 26 November 1999, distinguished primarily by their EAN barcodes. As a Sony first-party PAL release in the SCES serial range, this is a well-regarded rhythm title with a dedicated collector following.