Demons and Devils is a 2001 role-playing game adventure published by Necromancer Games.
Demons and Devils is an adventure in which three short dungeons adventures are compiled.
Shannon Appelcline noted that "Necromancer produced much more standard fare for the early d20 market - which is to say adventures. This started off with The Crucible of Freya (2000), the Rappan Athak mega-dungeon (2000) and Demons and Devils (2000)."