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Generic Immediate System for Tabletop

An SRD for creating games Powered by Sentinel

An SRD to make action packed RPGs with forward momentum.

An SRD for creating journaling games.

An Introductory TTRPG Design SRD

A Systems Reference Document for Beak, Feather, & Bone

An SRD for creating Breathless games.

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

A lo-fi sci-fi RPG SRD

Creative Commons bundle of first edition Eclipse Phase books

Adventures in the Wild Blue Yonder

One page, one-shot, easily hackable rpg