is a fantasy system in which the player characters are monsters who prey on adventurers and the civilized world.
[1] The game's rules systems are essentially compatible with Tunnels & Trolls.
was designed by Ken St. Andre with Jim "Bear" Peters, with art by Liz Danforth, and was published in 1976 by Metagaming Concepts as a 40-page square-bound book.
Flying Buffalo got the rights to reprint the first edition of Monsters!
[2]: 36 [1] In 2020, Ken St. Andre, with Steve Crompton, published an all-new 2nd edition of Monsters!
which was financed via a successful Kickstarter and published through Trollhalla Press Unlimited (ISBN 978-0-9836929-8-0).
That release also included a new 26-page GM adventure specially written for monster characters and the release of a new edition of The Toughest Dungeon in the World, a solitaire adventure also written primarily for Monster characters.
is a good game for beginners or anyone who wants to be a troll, but experienced gamers who enjoy complex campaign games offering more than bloodlust won't find anything they want here.