Description (more info)
Random Tables from Monster Island by Design Mechanism - Sandbox Campaign
Game system(s): Mythras, RuneQuest 6. Although its fairly system neutral really!
Genre: Roleplaying, BRP, D100,
NOTE: Tables still require the book or PDF to get creature stats and encounter details. Links to the books are below:
Monster Island from DriveThruRPG Store: https://www.drivethrurpg.com/product/116267/Monster-Island
Monster Island Companion from DriveThruRPG Store: https://www.drivethrurpg.com/product/116269/Monster-Island-Companion