1. D&D Monster Mash - 3.99 Edition ID: 2011-NMN1121319 Year: 2011 Title: D&D Monster Mash - 3.99 Edition Description: Good, Bad or just Ugly. You control one or more monsters in this annual struggle to be the Last Monster Standing. We call the rules D&D Skirmish 3.99. Quick and Fast play for everyone.