To unlock these Cheats for use in the game, you need to get skill points by doing various tasks throughout the game. Once you have enough, you will be able to turn on/off the Cheat whenever you want.

Effect - Code

Big Headed Clank - 03
Big Headed Enemies - 14
Big Headed Giant Clank - 01
Big Headed Ratchet - 05
Bolt Confusion - 20
Climb The Treehouse - 25
Hardcore Mode - 24
Mirrored Levels - 10
Mooo! - 24
More Cowbell - 08
Old Timey - 24
She's On Fire! - 07
Super Bloom - 12
Weapon Switching - 16