Um Jammer Lammy
Rhythm game
Um Jammer Lammy is a rhythm video game developed by NanaOn-Sha and published by Sony Computer Entertainment for the PlayStation video game console in 1999. Wikipedia
Platforms: PlayStation Portable, PlayStation 3, PlayStation, and more
Initial release date: March 18, 1999
Developers: NanaOn-Sha, Interlink, and Namco
Composers: Masaya Matsuura and Yoshihisa Suzuki
Genres: Music video game, Rhythm game, and Action game
Designer: Masaya Matsuura
Publisher: Sony Interactive Entertainment
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