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System Reference Document for the Xero Sum Engine (XSE)

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

Rules-lite TTRPG for 2-8 players inspired by Cairn and Basic Fantasy Role-Playing Game.

a narrative game srd using funky dice

A system for creating TTRPGs around performances

A one page rules lite TTRPG d20 system.

A system for creating fast-paced, action-packed TTRPGs.

The genre-neutral role-playing game of heroic problem solving.

an SRD for high octane one page oneshots

A Free, Universal RPG

Sleek NSR feel with highly irregular dice

A system for creating listening games

The system behind HELLGUTS and HELLDROPPERS

A narrative roleplaying framework!

A GM-agnostic TTRPG rule set about doing great things… and dealing with the consequences.

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

A 100-word SRD for journaling games encouraging people to go outside

Roll-to-the-middle TTRPG game system

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

A solo/GM-less storytelling system

Carry your TTRPG in Songs and Sagas

DIY game template SRD for a full simple 2d6 RPG, with nods to 24XX and What's so cool....?

the universal TTRPG you've been looking for

A letter-writing game SRD

Guide for making games with trick taking combat, based on Transgender Deathmatch Legend.

System Reference Document

A simple, narrative focused d6 dice pool system

A really usable version of the SRD of the greatest roleplaying game with full bookmarks