Curious George Cheats

Goes Ape
Pause the game, and then hold 'Z' while typing: B-B-A-Y-B

Rollerskates And Fez Hat
Pause the game, and then hold 'Z' while typing: X-A-A-A-B

Unlimited Bananas
Pause the game, and then hold 'Z' while typing: A-X-X-Y-A

Upside-down Gravity Mode
Pause the game, and then hold 'Z' while typing: Y-Y-B-A-A