Adventure Maps: Mega Dungeon 4 - Rooftops & AlleywaysThe Mega Dungeon 4 set is the fourth in a series of four map sets. It is also used in a series of downloadable adventures written by industry greats such as Ed Greenwood, Monte Cook, and Steven Schend. Gaming Paper Adventures Maps can be used to build thousands of unique cities in practically any shape or configuration. The Mega Dungeon 4 Rooftops and Alleyways set features: 100 unique highly detailed city geomorphs created by fantasy cartographer