DrumMania: Change speed:
Hit Bass Pedal(2) at the song selection screen. Repeat this code to cycle through different speed settings.

DrumMania: Toggle Session mode difficulty:
Hit Hi Hat(2) at the song selection screen.

DrumMania: Hidden mode:
Hit High Tom, Low Tom, High Tom, Low Tom, High Tom, Bass Pedal at the mode selection screen.

DrumMania: Sudden mode:
Hit Low Tom, High Tom, Low Tom, High Tom, Low Tom, Bass Pedal at the mode selection screen.

DrumMania: Expert Real mode:
Highlight "Real", then hit Low Tom(5) at the mode selection screen.

Guitar Freaks 3rd Mix: Left hand mode:
Press Green(5) at the mode selection screen.

Guitar Freaks 3rd Mix: Little mode:
Press Red(3), Green(2), Blue(3), Pick at the mode selection screen.

Guitar Freaks 3rd Mix: Fast flow mode:
Press Red, Green, Blue, Pick(2) at the mode selection screen.

Guitar Freaks 3rd Mix: Super fast flow mode:
Press Red, Green, Blue, Pick(2) again at the mode selection screen after activating fast flow mode.

Guitar Freaks 3rd Mix: Hidden mode:
Press Red, Blue, Green, Blue, Red, Green at the mode selection screen.

Guitar Freaks 3rd Mix: Sudden mode:
Press Green, Red, Blue, Green, Blue, Red, Pick at the mode selection screen.

Guitar Freaks 3rd Mix: Random mode:
Press Blue, Green(2), Red, Green, Pick at the mode selection screen.

Guitar Freaks 3rd Mix: Super random mode:
Press Blue, Green(2), Red, Green, Pick again at the mode selection screen after activating random mode.

Guitar Freaks 3rd Mix: Battle mode:
Press Pick, Green(2), Pick at the mode selection screen.

Guitar Freaks 3rd Mix: Extreme mode:
Press Red, Blue, Pick, Green, Red, Blue, Pick, Green at the mode selection screen.

Guitar Freaks 3rd Mix: Extreme plus mode:
Press Blue, Green, Blue, Green, Pick, Red(3), Green, Blue at the mode selection screen.

Guitar Freaks 3rd Mix: Free select mode:
Press Red(3), Green(3), Blue(3), Green at the mode selection screen.