Mechanics of RimWorld 9 game mechanics that RimWorld is known for — catalogued and cross-linked in the Game Mechanics Atlas. Automation & ProgrammingPriority systemsBase & Strategic LayerRaid/attack eventsWorker assignmentPhysics & SimulationFire spreadRandomness & ProbabilityRandom eventsSquad & Unit ManagementPermadeathStress systemTraits (positive/negative)Survival MechanicsDisease/infection