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.

The Granddaddy of All Dungeons Returns!

Adventures in the Borderland Provinces contains seven brand new, stand-alone adventures for use in any world setting, or in the Lost Lands campaign setting of Frog God Games.

Six adventures in the Lost Lands.

AX1: 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.

A vast and sorcerous city, poisoned by alchemy, extending its empire through necromantically-powered industries, the City-state of Castorhage is gritty, often-horrific, and heartless.

City State of the Sea Kings expands the legendary Wilderlands of High Fantasy Setting.

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

A vast and sorcerous city, poisoned by alchemy, extending its empire through necromantically-powered industries, the City-state of Castorhage is gritty, often-horrific, and heartless.