GUITAR FREAKS: Activate all 12 at the mode selection screen.
| Code: | Result: |
| Hit the Bass Pedal (2) to cycle through. | DrumMania: Change Speed |
| Highlight "Real" and then hit Low Tom (5). | DrumMania: Expert Real Mode |
| High Tom, Low Tom, High Tom, Low Tom, High Tom, Bass Pedal. | DrumMania: Hidden Mode |
| Hit Hi-Hat (2) to toggle. | DrumMania: Session Mode Difficulty |
| Low Tom, High Tom, Low Tom, High Tom, Low Tom, High Tom, Bass Pedal. | DrumMania: Sudden Mode |
| Pick, Green, Green, Pick. | Guitar Freaks: Battle Mode |
| Red, Blue, Pick, Green, Red, Blue, Pick, Green | Guitar Freaks: Extreme Mode |
| Blue, Green, Blue, Green, Pick, Red, Red, Red, Green, Blue | Guitar Freaks: Extreme Plus Mode |
| Red, Green, Blue, Pick, Pick. | Guitar Freaks: Fast Flow Mode |
| Red, Red, Red, Green, Green, Green, Blue, Blue, Blue, Green | Guitar Freaks: Free Select Mode |
| Red, Blue, Green, Blue, Red, Green. | Guitar Freaks: Hidden Mode |
| Green, Green, Green, Green, Green. | Guitar Freaks: Left Hand Mode |
| Red Red Red, Green, Green, Blue, Blue, Blue, Pick. | Guitar Freaks: Little Mode |
| Blue, Green, Green, Red, Green, Pick. | Guitar Freaks: Random Mode |
| Green, Red, Blue, Green, Blue, Red, Pick. | Guitar Freaks: Sudden Mode |
| Red, Blue, Green, Pick, Pick. Activate Fast Flow Mode first. | Guitar Freaks: Super Fast Flow Mode |
| Blue, Green, Green, Red, Green, Pick. Activate Random Mode First. | Guitar Freaks: Super Random Mode |