Screens with discrete room IDs include:
* All 36 main levels
* All 6 nightmares
* All 3 bonus (coin) levels
* All 6 hub areas
* All 5 between-hub areas
* The sword area
* All 4 tutorial areas
* Both intro cutscenes before the tutorial
* The cutscene after the tutorial
* The falling area after the tutorial
* The rologfos splash screen
* The title/main menu screen
* The "Play" menu
* The file selection menu
* The options menu
* The custom levels mode selection menu
* The custom level list menu
* The level editor
* Any single custom level
* The boss fight
* Both outro cutscenes
* The credits

Accessing the following screens does not update the room ID:
- "Options" sub-menus
- Multiple custom levels (they share the same ID)
- Dark Worlds, or any dark level
- "View Profile"