Adventure Maps: Mega Dungeon 3 - Sewer TunnelsThe Mega Dungeon 3 set is the third in a series of three 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 dungeons in practically any shape or configuration. The Mega Dungeon 3 Sewers set features: 100 unique highly detailed dungeon geomorphs created by fantasy cartographer extraordinaire