Custom probability sandbox
Loot Roll Sandbox
Explore how independent category chances can vary across a run of buildings. You control every probability used by the simulation.
Set a chance for each category
Each category gets one independent yes-or-no roll per building. A result represents only a category hit, not a specific item or quantity.
Run settings
Run it again to see another possible outcome from the same assumptions.
Build your own model
Choose the assumptions you want to explore, set a building count, and roll. Changing any control clears the old run so its summary never uses stale settings.