Under the heat of the salted sun, along a pirate-riddled coast bloated fat with forbidden secrets, the subjugation of the native tribes awakens long banished horrors.

The centerpiece of the Lost Lands, this massive sandbox-style adventure is essentially bottomless, and can keep a party going for years with roleplaying, adventures, dungeon crawls, wilderness, puzzles, politicking wizards, and more.

Whether you want to crawl through dungeons, trade with merchant caravans, run a merchant emporium, conquer an empire, or even raise an undead legion, ACKS supports your playstyle with simple, fast-playing game mechanics.

Enjoy 6 exciting new adventures and extend your existing Rappan Athuk campaign!

WhethAX1: The Sinister Stone of Sakkara is a ready-to-play adventure presented for use with Adventurer Conqueror King System™ and other d20-based fantasy role-playing games.

Guns of War brings you all the rules you need to add the gunpowder, firearms, and artillery of the Age of Pike and Shot into your fantasy role-playing game.

Lairs & Encounters™ is the ultimate supplement for fantasy RPG sandbox campaigns. Designed for use with the Adventurer Conqueror King System.

Six adventures in the Lost Lands.

Bard’s Gate is a beacon of civilization and a pillar of the western world.Yet this citadel of enlightenment is also threatened by dark forces.

The original Citadel of Fire, scanned from an original printing, authorized by the Judges Guild, with new material.

Welcome to Kanahu, a dangerous world of pulp fantasy abounding with dinosaurs, Cthulhoid creatures, giant insects, crazed sorcerers, muscled barbarians, and alien invaders.