A Door is required when Constructing all Adjustable Rooms.
Doors provide entry to the room for Peeps. If a room has multiple Doors, Peeps may use the room as a shortcut. Doors cost between 500 and 2000 Energy, depending on the room.
Doors that are part of fixed buildings have no extra cost.
When repacking a room, the cost and number of Doors is part of determining how much Litter is left behind for Recycling.
- Doors cannot be researched or improved.