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A setting-agnostic TTRPG mechanics engine inspired by the Kids on Bikes system

Open TTRPG Engine

A flexible solo RPG system for mysteries, quests, and personal journeys — all powered by cards.

a narrative game srd using funky dice

An SRD for games about identity, gender, (super)power and resistance

A Creative Commons rules system for TTRPGs

an SRD for high octane one page oneshots

A system for creating listening games

A narrative roleplaying framework!

The system behind HELLGUTS and HELLDROPPERS

System reference document, license, and design guidance for ONLC system

An SRD for making TTRPGs focused on player agency, customisation and narrative role-play.

Carry your TTRPG in Songs and Sagas

a solo-journaling game about studying cultures other than your own

Post-apocalyptic pirates in St. Augustine, FL

Gothic Horror in a Post-Apocalyptic New England

An Introductory TTRPG Design SRD

An SRD for creating games Powered by Sentinel

Guide to hacking games based on Blades in the Dark

An SRD for creating narrative TTRPGs with cards, dice, and dramatic turning points.

An OSR adjacent classless, raceless, levelless, and experienceless game system in 25 pages.

Quickstart Guide & System Reference Document for the Backroads: American Gothic Horror TTRPG

A streamlined dice pool system created for game designers

System Reference Document for the Four Points RPG System

An easy-to-fill-in Wretched Game document

Build action packed, illuminated RPGs

A system of magic for tabletop roleplaying.

No classes? No problem! Create 'decks' of abilities that grow as players advance in the RUNE tabletop RPG system!