Effect: Gives you infinite chi.
When: Enter this code under the Cheats in the Extra menu.
How: Press: Down, Right, Left, Up, Down

Effect: Po wears a dragon warrior outfit and additional move set (in multiplayer).
When: Enter this code under the Cheats in the Extra menu.
How: Press: Left, Down, Right, Left, Up

Effect: Obtain all outfits.
When: Enter this code under the Cheats in the Extra menu.
How: Press: Right, Left, Down, Up, Right

Effect: Obtain full upgrades.
When: Enter this code under the Cheats in the Extra menu.
How: Press: Left, Right, Down, Left, Up

Effect: Unlock all multiplayer characters.
When: Enter this code under the Cheats in the Extra menu.
How: Press: Left, Down, Left, Right, Down

Effect: Invincibility (in story mode)
When: Enter this code under the Cheats in the Extra menu.
How: Press: Down, Down, Right, Up, Left

That’s all i know. My name is Hafiz