Batman: Rise Of Sin Tzu cheats and cheat codes for Gamecube

At the screen with the "Story Mode" and "Challenge Mode" options
press the following button combinations:
(or Go to the title screen, when the Press Start appears, press
the follwing button combinations:)
Note: You will see a message, ovnce the codes enteres correctly.

Dark Knight difficulty level
Hold L + R and press Right, Up, Up, Right, Left, Down, Right, Up.

Unlimited combo meter
Hold L + R and press Left, Right, Down, Up, Up, Down, Right, Left.

Get all upgrades
Hold L + R and press Down, Up, Down, Left, Down, Right, Up, Down.

Unlimited health
Hold L + R and press Up, Right, Up, Left, Down, Left, Down, Right.

Unlock bonuses
Hold L + R and press Left, Down, Left, Right, Left, Left, Down, Right.

Making Of Sin Tzu
Beat Sin Tzu at the end.

Change costume
Finish the game in easy mode.