Doors and Rooms 3 has a feature where you need to obtain secret items from one stage, use them on a second stage as a “key” to access or unlock a third stage. Sometimes it can get confusing on how and where to unlock specific levels in the game. Click into the stage to get the detailed walkthrough for that specific secret item.

This section provides you with quick references for all the Chapter 1 secret items.

Secret Items	Stage Found	Stage Used	Stage Unlocked
Secret Door Key (Card)	Stage 1	Stage 2	Stage 6
Secret Valve Handle	Stage 3	Stage 4	Stage 9
Secret Metal Ornament	Stage 5	Stage 3	Stage 7
Secret Door Key	Stage 9	Stage 8	Stage 10