No cheat codes exist for Ratatouille (Wii). Heavy Iron Studios / THQ did not include cheat menus, and no Action Replay / Gecko codes were ever documented for this title.
Why No Cheats?
Licensed movie games (2007 era) rarely included cheats — focus on accessible gameplay for kids.
Wii version uses unique motion controls (chopping, stirring) — cheats would break minigame logic.
No debug menu left in retail build.
Legitimate Unlocks
Recipes: Complete story mode → unlock all recipes in Free Play.
Costumes: Collect hidden chef hats in levels.
Multiplayer Maps: Beat story on higher difficulties.
If You're Stuck
Lower difficulty (Easy mode is very forgiving).
Practice minigames in Free Play — they're the core skill test.