The Northwest Barony is a Labyrinth Lord play-by-post game hosted on the Goblinoid Games forums.
Please see the campaign wiki for setting information and house rules.
Campaign maps can be found here.
“The Labyrinth Lord fantasy role-playing game allows you to experience the game play of the retro-editions of the world’s most popular fantasy role-playing game! The Labyrinth Lord core rules emulate the rules and game play experience of the 1981 edition of the world’s most popular fantasy role-playing game.”
Available free from Goblinoid Games.