Better Credits...
	Cheat mode...
	Soda Energy...

Finish the game on Expert Mode to see a more elaborate credits sequence.

At the Press Start screen, hold L1 + L2 + R1 + Triangle + X + Left. Then, select Start Game and choose a level. When the game begins, your character will be invincible and have infinite ammunition. Note: Enabling this code will disable the option to save.

See those Soda Machines in some levels? They are not there just for the design. Punch it or shoot it so a can of soda flies out. Come up to the pop and press X.