Every dungeon has doors. Each door has a story. More than that, every door offers a transition from one thing to the next. Some transitions are easy (no door at all or it's unlocked). Some transitions are hard (locked or trapped). Some turn out to be dead ends (blocked or jammed).
Brick by Brick: Doors offers a 14 page PDF to help guide you through creating more intricate doors as well as... [click here for more]