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[OSR] that I Own

a collection by Joe.Kilmartin · last updated 2025-12-11 03:20:52
Writhing plague from an alien sphere, the Worm King resurgent.
A short adventure for Knave 2e.
A Mythical Adventure to Deliver a King's Wish!
A one page ruleset for a fast and easy sport game!
Level 3-5 "dungeon" module for B/X systems
System agnostic TTRPG supplement.
A system neutral dungeon dilemma
Force the party to split up in order to solve a mysterious & dangerous puzzle in this system neutral dungeon.
A One Page Dungeon for TTRPGs
A one-page dungeon with a magical network of underground fissures, in which you never know where you might end up.
A one-page dungeon about definitely splitting the party when the castle inspector arrives.
Need to Design a Dungeon on the Fly?
Adventure
A one page dungeon for the 'Never Split the Party' jam. It has a pacman style giant head that eats and mutates you.
A guide to guild guides, and a guide to gridr
One Page Dungeon - system agnostic
Dare you take on the Wild Hunt ?
A cursed relic threatens to waken a long forgotten evil.
rpg adventure of sword, sorcery & cosmic horror
A free OSR adventure module for character levels 5-7
Defend a crumbling coastal fort from a sea-witch and her army of blood-thirsty pirates!
An Old School Adventure Module
How could Spelljammer be anything else?
rpg adventure ideas, submission for HexDrive zine
Weird fantasy space opera. Submitted as part of the HexDrive Zine Jam.
A Moon Archipelago
a d&d adventure about a sexy masquerade and a demon cult
A Grim Micro Setting
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