Heroes Unlimited is a superhero role-playing game written by Kevin Siembieda and first published by Palladium Books in 1984. The game is based upon the Palladium Books Megaversal system and is compatible with other games that use the Palladium system.
Front cover of Heroes Unlimited, Revised Second Edition, illustrated by Jim Steranko
Kevin Siembieda is an American artist, writer, designer and publisher of role-playing games.
Kevin Siembieda at Gen Con 2014