OnceWas Compendium of Creatures

OnceWas Compendium of Creatures is a single player role playing game. It was developed by OnceWas RPG and was released on January 17, 2026.

OnceWas Compendium of Creatures Remember the first time you encountered a wandering dungeon predator? A massive shape-shifting ooze? An aberration with too many eyes? The uncertainty—the delicious dread of facing something truly unknown. Your veteran players might remember too. They’ve memorized hit dice, resistances, and attack patterns from decades of play. That savage beast-man hybrid? Pr…