Roleplaying System

Furfastrix Roleplaying System

Loot Hunters - First Coin: A System-Neutral, Interactive Adventure Supplement With A Fantasy, Old-School Feel That Can Be Adjusted To Any Tabletop Roleplaying Game System.

The Magicians Tabletop Roleplaying Game System

Roleplaying Adventure System

Basic Solo Roleplaying System: Solo Roleplaying Brp Based Games

Basic Roleplaying: The Chaosium Roleplaying System

Rs²: Roleplaying Social Relationship System

Super Power System: Roleplaying Guide

Gurps Discworld Also (Gurps Series: Generic Universal Roleplaying System)