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Free, no fail rules-light TTRPG about ghosts stealing you from your dreams to fight the corruption in their world.

The undead break into your living room! GO!

You've escaped from the Monster Ward. Now you must reach the surface.

A 1d6, extra rules-lite tabletop engine made for quick one-shots

Quest-based classic fantasy RPG

scrappy little TTRPG rules on the fly

a fantasy horror pocketmod

Four resolution mechanics rolling over, under, and both at the same time - Prismatic Wasteland challenge

Bucket-of-bolts space freighters and the smugglers who fly them

A simple system for Domain play in your campaign.

Create your own map crawl!

A plug-in for renaissance adventures and campaigns for OSR RPGs.

A grab bag of optional tools and tables for Ironsworn

The CopperHead System Essential Toolbox is a free ttrpg game engine with the addition of optional variants,

Osseous but simpler, if you can imagine such a thing. An FKR inspired take on the 2d6 system.

A set of rules for time travel; can be added onto another game or used alone.

A TTRPG Tech Pack for a GMless Opposed Dice Pool System

A system of magic for tabletop roleplaying.

A collection of hacks to apply to or design into TTRPGs.

A second set of hacks or game components (depending on use).

A lo-fi sci-fi RPG SRD

A Picaresque Adventure Game

An SRD about paying to make others pay.

Brand new dice SRD that utilizes d8s and rolling the same number twice, aptly named Diamond Doubles

The underlying system for all Soft Horizon games. Free!

An alternate take on the Caltrop Core SRD

For TTRPGs you design as you play.

Make your own game ignited by Hopes & Dreams.

Create your own content based on Firelights