Door

Door is a dungeon feature. It can be just toggable obstruction of view or a dangerous game object.

Uncommon uses of a door:

• In ADOM they are a potential trap location.
• NetHack allows to slam monsters with doors.
• Caverns of Xaskazien uses them as obstacle blocking non-intelligent and weak monsters. There is no open command, one can just walk through.
• In Xenocide plastic doors have a window which can be seen through.
• In Rogue doors are always open and cannot be closed.