Amplitude cheats and cheat codes for Playstation 2

During gameplay enter the following button combinations:
The sound will confirm, if the entered codes are accepted.

Unlock every Freq parts
Left, Down, Right, Up, Right, Left, Down.

Unlock every songs
Square, Circle, Square, Circle, Up, Right, Left, Down, Down, Right, Left, Up.

Get more power-ups
Square, Right, Circle, Left, X, Down, Triangle, Up.

Always slow-motion: Up, Down, X, Triangle, X, Down, Up.
Auto-pilot mode: Down, X, Up, X, Left, X, Right, X.
Black panel surface: R3, L3, R3, R3, L3, R3, L3, L3, R3.
Circular field shape: L3, L3, L3, R3, R3, R3, L3, R3, L3
Motion blurring: R3, R3, R3, R3, L3, L3, L3, L3, R3.
Random gem positions: X, X, Left, Left, R3, R3, Right, Right. 
Transparent panel surface: L3, R3, L3, L3, R3, L3, R3, R3, L3
Unlock monkey gems: L3, L3, L3, L3, R3, R3, R3, R3, L3.


Power-up cheats:
During gameplay press Right, Down, Up, Up, Up, Right, Left, Right. This 
will enable the Power-up master mode. After enabled this mode press the 
following button combinations while playing:

Power-ups - cheats:
Autoblaster: Up, Left, Down, Up, Up
Bumper: Up, Left, Left, Down, Up
Crippler: Right, Up, Up Up, Right
Freestyler: Up, Right, Down, Right, Left
Multiplyer: Down, Left, Down, Down, Down
Slow motion: Up, Down, Left, Left, Down


Complete the following bonus songs in the indicated difficuly 
mode to unlock characters:

Zandork 9: Complete the Neotropolis song on the Normal or higher mode.
Xenon: Complete the Neotropolis Boss song on the Insane mode.
Vern: Complete the Neotropolis Boss song on the Normal or higher mode.
Velma: Complete the Beat Factory song on the Mellow or higher mode.
Trust Me: Complete the Blastlands Boss song on the Normal or higher mode.
Trollheim: Complete the Metaclouds Boss song on the Brutal or higher mode.
Tex: Complete the Elektro Kore Boss song on the Mellow or higher mode.
Swat Man: Complete the Elektro Kore song on the Normal or higher mode.
Roxanne: Complete the Neotropolis song on the Brutal or higher mode.
Robofairy: Complete the Metaclouds Boss song on the Insane mode.
Razor X: Complete the Neotropolis Boss song on the Brutal or higher mode.
Rageatron: Complete the Metaclouds song on the Insane mode.
Pixel: Complete the Elektro Kore Boss song on the Brutal or higher mode.
Norm: Complete the Neotropolis Boss song on or higher Mellow or higher mode.
Naomi: Complete the Elektro Kore song on the Mellow or higher mode.
Mysterion: Complete the Blastlands song on the Insane mode.
MC Mike: Complete the Blastlands song on the Normal or higher mode.
Mad Melvin: Complete the Neotropolis song on the Insane mode.
Little Tony: Complete the Blastlands Boss song on the Brutal or higher mode.
Levar: Complete the Metaclouds Boss song on the Mellow or higher mode.
Lazy Jay: Complete the Elektro Kore Boss song on the Normal or higher mode.
Larry: Complete the Blastlands Boss song on the Insane mode.
Kong: Complete the Beat Factory song on the Brutal or higher mode.
Kim: Complete the Blastlands Boss Song on the Mellow or higher mode.
Hotpants: Complete the Metaclouds Boss song on the Normal or higher mode.
Happy Fun Girl: Complete the Beat Factory Boss song on the Mellow or higher mode.
Grondor: Complete the Beat Factory Boss song on Normal or higher mode.
Goggle Bot: Complete the Beat Factory song on the Insane mode.
Fred: Complete the Neotropolis song on the Mellow or higher mode.
Evil Motomatic: Complete the Elektro Kore Boss song on the Insane mode.
Disco Marv: Complete the Blastlands song on the Brutal or higher mode.
Diabolical D: Complete the Elektro Kore song on the Brutal or higher mode.
Demon Dave: Complete the Metaclouds song on the Brutal or higher mode.
Cyclops: Complete the Elektro Kore song on the Insane mode.
Bug: Complete the Beat Factory Boss song on the Insane mode.
Bot Girl: Complete the Beat Factory song on the Normal or higher mode.
Biggie: Complete the Metaclouds song on the Mellow or higher mode.
Bat Lad: Complete the Metaclouds song on the Normal or higher mode.
Bat Gal: Complete the Beat Factory Boss song on the Brutal or higher mode.
Annie: Complete the Blastlands song on the Mellow or higher mode.