Creature Kitchen • Puzzle Guide
Heart Door Key
Objective: Befriend 'Them' (the mouse) by feeding it three different cheese-based meals.
The tiny mouse living in the kitchen hidey-hole holds the Heart Key. You must unlock the Cheese Cabinet first to complete this.
Last updated: 2026-02-28
Guide type: Step-by-step Solution
Solution Steps
- Obtain cheese from the newly unlocked Cheese Cabinet.
- Throw a plain piece of cheese near the kitchen hidey-hole to lure the mouse out (take a photo now!).
- Cook three different meals that require cheese (e.g., Cheese & Crackers, Pizza, Alfredo Pasta).
- Feed all three meals to the mouse.
- Them will push the heart-shaped key out of the hole. Use it to unlock the first door on the left in the hallway.
Related resources
FAQ
Do I need a specific item to solve this?
Some puzzles require a key, room access, or a nearby interaction to trigger. Re-check the requirement line and try interacting with surrounding objects first.
Is the solution randomized for every player?
No. Puzzle solutions in Creature Kitchen are consistent across playthroughs.