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New & popular$15 or less tagged OSR and Supplement (63 results)

Explore physical games tagged OSR and Supplement on itch.io · Sell your physical games on itch.io to have them show up here.

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Combat & chase rules, vehicles & factions
A Mausritter adventure site in a mysterious ruined toy store
Explore the thrill and danger of firearms in your campaign!
Alms & Arms for Shadowdark RPG
Haunts
$2.50
"To understand Haunts is to understand sorrow." –Alaric Voss, Ghosthunter
A funhouse dungeon for Cy_borg that takes place inside the subconscious of a hacker.
A collection of Mausritter creaturres inspired by the amazon rainforest
High-lethality gaming for TRUE Old-Schoolers
time-traveling Mothership adventure
Pirate Haven or Hideaway base building rules for Pirate Borg
An adventure setting and module of gothic intrigue, for any fantasy RPG.
Filled with regret, and all your shit. It's the home your PCs never wanted.
A high risk/high reward cybermod supplement for Mothership
Over 200 pages of system agnostic tables, encounters, npc, villains and more.
A supplement, splattered with OIL.
20 petites divinités pour Rangers !
Cooperative spell system for old school RPGs (OSRs) and modern fantasy RPGs.
A massive sequel food and drink supplement for Mausritter.
An Alternate Reward System for Old-School RPGs
15 towns and villages in the world of Rangers of the Midden Vale
D20 magic weapons for fantasy RPGs.
15 villes et villages dans l'univers de Rangers of the Midden Vale !
A player facing cooking mini-game for TTRPGs.
Prey SpeciesVerified Account
Espionage in Cloud Cuckooland
A Major Hireling Supplement intended for Mausritter
Simple domain rules and more for old school role playing games!
A Collection of gifts, curses, friends and spirits for Songbirds 3e
​A revised and expanded edition of the original Sexbots supplement for Machinations of the Space Princess.
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