Just go to Options:
Easy enemies: Enter PIECEOCAKE as a code.
Hard enemies: Enter DEEPFRYER as a code.
Enemies cause no damage: Enter MYHERO as a code.
Any health restores to full: Enter ITSCAKE as a code.
Bouncy cheese: Enter BOINGSPAWN as a code.
all of the cans have Blue Cheese: Enter SKYCAN as a code.
9,999 Cheese: Enter SAYCHEESE as a code.
Ratatouille All videos: Enter GUSTEAUVID as a code.
All recipe cards: Enter ANYONECANCOOK as a code.
All Branded: Enter MATTELME as a code.
All Nobrand: Enter GIMMEALLYAGOT as a code.
Multi-player races: Enter RACEISON as a code.
