Twelve Sided Publishing is an independent game development studio from the Detroit metro area.

Creators of the ClockWork Game Engine
A time based action system with elegant rules for any roleplaying style or game world.
Easy to learn, implement, and use
  • ClockWork only uses one size of dice: twelve sided dice (or d12).
  • ClockWork has only 4 attributes. Easy to comprehend and easy to utilize.
  • Only 4 skills per attribute, giving it 16 skills in all. Elegant and powerful.
Makes for realistic & fully customized characters
  • ClockWork is a classless system with full customization.
    • Want to be a buff wizard in heavy armor? Blast off!
    • Want to be a lightly armored fencing master? En guarde!
    • Want to wield firearms and supplement them with magic? Boom boom!
    • All these options and much, much more
    • Premades are provided to make common character concepts quick and easy.
    • Full customization rules are provided for players who want total control.
  • Foci make your character an expert at specific skill sets, setting them apart.
  • Features and spell lists make your character adept both in and out of combat.
Engaging & adaptable combat system
  • Provides rules for modern, future, and ancient times (and can mix all three).
  • Mitigate between offense and defense in an ever changing battlefield.
  • Attack, move, defend, and prepare in any order you choose.
  • No abilities per day / per combat / and any of that nonsense. Just cast spells.
Authors of the Scrape The Sky Roleplaying Game
A post-climate change roleplaying game where humanity fights for survival.

News & Upcoming Events

2023-08-23: AcadeCon 2023

Twelve Sided Publishing will be attending AcadeCon 2023 in Dayton, Ohio on November 3rd -> 5th. More information will be available as we get closer to the convention. We should have a significant portion of the Core Rulebook up by that point.