Play as Oscar and Mash:
Begin game play in one player story mode and meet Oscar and Mash.
Submission: Al Amaloo (vgstrategies.miningco.com)

Omake mode:
Beat the game with any character. Then "Omake" mode that allows design graphics and character images to be viewed will appear on the menu. Three pictures of the character you completed the game with will appear in "Omake" mode. Two of the pictures are character sketches and the other is them during their ending.

Play as King:
Successfully complete the game with all characters including Oscar and Mash.
Submission: Al Amaloo (vgstrategies.miningco.com)

Play as Dr. T:
Begin game play in one player story mode and meet Dr. T. Note: His appearance is random.
Submission: Al Amaloo (vgstrategies.miningco.com)

Gallery mode:
Successfully complete the game using any character. An art gallery option that allows design graphics and character images to be viewed will appear on the menu.
Submission: Al Amaloo (vgstrategies.miningco.com)

Control basketball:
Press Triangle to control the basketball that bounces on the main menu screen. Keep slamming the ball to view display various on-screen comments.
Submission: Al Amaloo (vgstrategies.miningco.com)

Play as King:
Beat the game with all characters including Oscar and Mash.