Mini-dungeon.
http://www.dungeon-master.com/forum/viewtopic.php?t=24984
Backup: http://cid-5af78f9a064bada7.skydrive.live.com/self.aspx/.Public/Custom%20Dungeons/Escape-49.zip
http://www.dungeon-master.com/forum/viewtopic.php?t=24984