Casus Mus: Adventures of the Mouse

Swords and whiskers! Loyal mouse comrades, devious rat brigands, deadly hawks, fearsome cats.

The world of Casus Mus, Adventures of the Mouse, is d100 roleplaying the way it was meant to be: quick, fun, deadly, and most of all, whiskered.

Character Creation
Game System
Magic
The Mouse's World
The Hill

Casus Mus uses the Mythras Imperative RPG system as a base. Learn more about Mythras and Mythras Imperative.

Based on Mythras Imperative, Written by Pete Nash and Lawrence Whitaker, and published by The Design Mechanism, Copyright 2023.

Material on this site not covered by other ownership or copyright statements is Copyright © 2024 Robert Prince.