All Working Ratatouille Cheats - Wii

Cheat Mode
Load a saved profile or create a new profile. Then, select the "Extras" option at the main menu. Select the "Gusteau's Shop" option, then the "Secrets" option. Choose a "Code <number>" option and enter the corresponding cheat code to unlock that option. After a cheat option is unlocked, click on its name to enable it. Unlocked and enabled cheat options will be saved with the current profile. However, some cheat options cannot be disabled.

Code 01 - Very Easy difficulty * - Pieceocake
Code 02 - No impact or damage from enemies, but still take water and falling damage * - Myhero
Code 03 - No damage from enemies, but still take water and falling damage * - Shielded
Code 04 - Move undetected by enemies * - Spyagent
Code 05 - Fart when jumping - Ilikeonions
Code 06 - Head butt when attacking instead of tailswipe - Hardfeelings
Code 07 - Multi-player mode - Slumberparty
Code 08 - All Concept Art - Gusteauart
Code 09 - All four championship modes - Gusteauship
Code 10 - All single player and multi-player mini-games - Mattelme
Code 11 - All videos - Gusteauvid
Code 12 - All Bonus Artworks - Gusteaures
Code 13 - All Dream Worlds in Gusteau's Shop - Gusteaudream
Code 14 - All Slides in Gusteau's Shop - Gusteauslide
Code 15 - All single player mini-games - Gusteaulevel
Code 16 - All items in Gusteau's Shop - Gusteaucombo
Code 17 - Get 5,000 Gusteau points - Gusteaupot
Code 18 - Get 10,000 Gusteau points - Gusteaujack
Code 19 - Get 50,000 Gusteau points - Gusteauomni

Note: Codes marked with * cannot be unlocked until they're bought with Gusteau points earned during Story mode.