The Gamemaster's Guide has everything a Mutants &Masterminds GM needs, from guidelines on creating challenges and adventures toadvice on designing your own setting and series. It includes guidance on how toset up and run your game and to help your players create the best heroes,archetypes that make building villains easy, world building tips, and optionsfor modifying the game to suit your group's play style. This new Revised Editionof the original book is a handsome hardback that adds two adventures, newvillain archetypes and minions, and more. The Mutants & MastermindsGamemaster's Guide is a must-have resource for new and experienced GMs alike,and the ideal companion volume to the Basic Hero's Handbook or DeluxeHero's Handbook.