The D20 Menace Manual is a listing of statistics for animals, aliens, and other potential enemies, for use in the D20 Modern role-playing game. d20 Modern is a Roleplaying game designed by Bill Slavicsek, Jeff Grubb, Rich Redman, and Charles Ryan. A role-playing game ( RPG; often roleplaying game) is a Game in which the participants assume the roles of Fictional characters. It also contains various d20 conversions of monsters from the Alternity campaign setting Dark•Matter, including Mothfolk. Alternity is a Science fiction Role-playing game (RPG published by TSR in 1998. Dark•Matter is a Science fiction / Conspiracy theory Campaign setting that was originally published in 1999 by Wizards of the The Mothman is the name given to a creature reported in the Charleston and Point Pleasant areas of West Virginia between November 12, 1966
The book is divided into three chapters:
The monsters section consists of the supernatural foes of the book, such as aliens and demons. The NPCs section contains statistics for various ordinary people of various levels of skill. The factions section gives example groups for the heroes to face, ranging for terrorist organizations to recording companies. Some of these are more complete than others, showing how they could fit into premade settings and giving sample NPCs.