Samba de Amigo Codes -

All music mode:
Select arcade mode, then quickly shake Left Maraca High fifteen times at the height selection screen to unlock all songs. Note: For the standard Dreamcast controller, hold the Left Maraca High button (Up).

Random mode:
Quickly shake Left Maraca Low fifteen times at the difficulty selection screen. Note: For the standard Dreamcast controller, hold the Left Maraca Low button (Down).

Super hard mode:
Quickly shake Left Maraca High fifteen times at the difficulty selection screen. Note: For the standard Dreamcast controller, hold the Left Maraca High button (Up).

Tequila, Love Lease, Soul Bossa Nova songs:
Select challenge mode and successfully complete the Maracas Apprentice course.

Theme Of Inoki song:
Select challenge mode and successfully complete the Maracas Standout course.

Samba de Amigo song:
Select challenge mode and successfully complete the Maracas Expert course.

Hidden artwork:
Place the game disc in a PC compatible CD-ROM drive to find game images in .BMP format.