Island Rats and Maze Rats 5.3 combine the marvelous Maze Rats with the glorious gunpowder sandbox Hot Springs Island.

Unique features include:

• An overloaded encounter die
• Abstracted barter system
• Ancestor backgrounds
• The Mage, Disciple, and Vagabond classes, fully compatible with Maze Rats

Released December 2019, updated March 2021.