Crypts are a staple of monster-infested dungeons, be they haunted by undead or inhabited by living foes. Flip-Tiles: Dungeon Crypts Expansion provides beautifully illustrated 6-inch by 6-inch map tiles that can be used to expand your dungeons with a variety of crypts, burial chambers, and catacombs. Inside, you'll find 24 richly crafted, double-sided map tiles.