Unlockable: Level Select
Beat the game with 100% completition. Then, start a new game with the name FLUWDEAR.

Unlockable: All Levels
On the main menu, go to Options, then Special, and finally Cheats, and enter WARPULON.

Unlockable: All Moves
On the main menu, go to Options, then Special, and finally Cheats, and enter MYHERO.

Unlockable: All Movies
On the main menu, go to Options, then Special, and finally Cheats, and enter POPPYCORN.

Unlockable: Infinite Health
On the main menu, go to Options, then Special, and finally Cheats, and enter NERGETS.

Unlockable: Infinite Webbing
On the main menu, go to Options, then Special, and finally Cheats, and enter FILLMEUP.