NOTE: The following codes work only when used with an
Action Replay device. These codes WILL NOT WORK without this
device.
There are 10 codes for this game.
NOTE: These codes require Action Replay MAX

(M)
9ZY9-VKC4-4MQ71
ZUDD-UA4W-C2AAX

Entire Band: Infinite Overdrive
M0ZV-HC0N-EYWQQ
8V2M-V2Q3-KEV9T

Instrument Rock Meter: Never Fail
NP68-H25R-EGYR3
YHE0-B8PR-5ZFHN

Does not work for Vocalist Vocal Rock Meter: Never Fail
3CHN-UD1Q-HUXGV
0UTT-MVDU-0Y9YP

Note Multiplier: Strum to Gain & Never Lose
1VAK-QD1B-HWB15
8A52-GFD3-DPHH5

Does not work for Vocalist. WARNING: Note Streak will Always Be 0

INSTRUMENT NOTE STREAK CODES:

EMR3-CUA6-KCHXN
Does not work for Vocalist.

1 Note Hit = 2 Notes
8YZQ-3D14-AP0MV
39UG-YWMH-VWV2K

1 Note Hit = 5 Notes
CAE1-G06D-TB3JH
RR3R-8QTN-M5E81

1 Note Hit = 10 Notes
XPFJ-GQVJ-FK71W
UBB4-T7MH-A88JF

1 Note Hit = 15 Notes
58RZ-0010-XYVWA
PGAC-PRQF-VUT3GCourtesy