How long is Um Jammer Lammy?

Um Jammer Lammy takes about 2h 1m to beat the main story, or around 3h 23m with extras.

How long does it take to 100% Um Jammer Lammy?

A completionist run of Um Jammer Lammy takes about 6h 58m.

78Meta Score

Um Jammer Lammy

Music

Developer: NanaOn-Sha|Publisher: Sony Computer Entertainment

Playtime

HowLongToBeat · Medium confidence

Main Story

2h 1m

Main + Extra

3h 23m

Completionist

6h 58m

Media

2 videos + 5 screenshots

Links

Wikipedia Fandom Twitch

About This Game

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.

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Last updated Mar 7, 2026