Lyrics from the "Make it Sweet!" album, most of which come from the game itself.

Um Jammer Lammy fan art drawn by Sarah Guilbeaux. Mostly pictures of Teriyaki Ono, with a few of Lammy, Rammy and Parappa.

In-depth report on the promotional Um Jammer Lammy gig held by Sony, including the press conference with Masaya Matsuura and Rodney Greenblat.

Contains various hints for the game.

Offers FAQs, screenshots, a discussion board, and links to reviews.

An English language bulletin board for discussing Um Jammer Lammy. Includes fan art and fan stories.

Official Sony of America page. Flash-based site with character biographies, screenshots and an overview of how the game works.

Artwork by game artist Rodney Alan Greenblat