Game Design Club
Crafting Worlds, Adventures, and Rulesets for Modern TTRPGs
Welcome to the official itch.io page for the Game Design Group. We specialize in creating sleek, modern, and engaging TTRPG systems and standalone adventure modules. Our goal is to blend professional design with compelling narrative experiences, moving beyond traditional fantasy to explore sci-fi, horror, and high-concept settings.
Our Featured TTRPG Systems
Here are the core rulesets we offer for free or pay-what-you-want download:
- Twilight of the Eternal City A tabletop RPG using the Lumen SRD, focused on power fantasy and fast-paced, dynamic combat. Players are Travelers, reborn in the Eternal City with powers fueled by Quintessence. Fight to save reality from the Quantum Labyrinth by mastering classes like the Gunslinger, Mechanist, or Destroyer.
- Vaults and Vices A high-lethality, street-level criminal RPG using a Classless d20 foundation. This system emphasizes gritty character building, heist planning, and tough choices in a neo-noir cityscape. Perfect for groups who enjoy complex moral dilemmas and high-stakes planning.
- Action Dice System (ADS) A cinematic, universal ruleset designed for high-octane action and minimal downtime. If you want fight scenes that play out like a choreographed movie sequence, this streamlined system is for you. Ideal for one-shots or fast-paced mini-campaigns.
Featured Modules & Adventures
Explore new worlds or drop a new encounter into your existing campaign with our ready-to-play modules.
- The Crystal Wastes (System Agnostic / High Fantasy) An exploration-focused adventure where the party must cross a desolate, salt-flat environment to find a mythical source of magic before rival factions claim it. Includes new creatures and environmental hazards.
- Echoes in the Static (Vaults and Vices) A tense, one-shot module where the crew must infiltrate a guarded research facility to destroy a recording device that could incriminate them all. Features complex stealth mechanics and multiple failure states.