Get your copy of either the Dissolutionverse RPG or the Creatures of Ruin RPG:

Dissolutionverse RPG: Explore the ten homeworlds! Investigate strange worlds and use music-based magic in the TTRPG set in William C. Tracy's Dissolutionverse series. Play as one of eleven species, press-your-luck die rolls, no character death, and quick character generation!

Creatures of Ruin RPG: Play as scavengers OR giant crab monsters in a post-apocalyptic desert. Scavenge materials, protect your territory, and learn about your fellow desert-dwellers in Alex Kingsley's Creatures of Ruin TTRPG based on the world of Empress of Dust!