First, enter the Options menu and choose the setting that allows you to set you age. The higher your are, the more jubbling.

Extra options

Pause the game and press Triangle, X.

Play as Bayman

Beat story mode with all the characters on the easy difficulty setting.

Longer credits

Beat story mode with all the characters on the very hard difficulty setting.

CG Gallery

Beat team mode with five characters.

Play as Tengu

Collect 10 stars in Survival Mode. NOTE: Doesn't work in story mode. Beat story mode 200 times to get Tengu.

GameShark Codes