Diamond Geezer

A nightmarish, grimdark, and fearful TTRPG Adventure & Campaign Setting for 5e, 5.5, OSE & related systems and Deathbringer. Honoring Gary Gygax. Created by Luke Gygax & Gooey Cube. Enthralling materials. Tremendous tools. Limited edition collectibility.

The spiritual successor of Dark Sun®, for 5.5E. Written by the co-creator of Dark Sun®. The Dragon Kings are gone, and the rains went with them. What remains of Khitus is sand, ruin, and the stubborn few who still believe it can be saved.

An ENNIE Award-winning city setting packed with books, maps, handouts, and immersive tools—everything you need to run unforgettable urban adventures in Darkenhaven.

The oldest and most influential sci-fi TTRPG of all time meets the world’s most popular roleplaying game, with a complete 5e conversion by World’s Largest RPGs.

Overclock: A Steam-Powered Campaign Guide introduces Aela, a skybound metropolis alive with steam-driven wonders, for Fifth Edition play, adding rules for airships, clockwork pets, and mechanical upgrades that fuel new adventures in the heart of industry

Eliminate the slog in your 5e combat, speed up play and maximize interesting, tactical choices for players and DMs.