RimWorld Manipulation Explained: Bionic Arms, Work Speed & Item Quality

What does Manipulation actually change in RimWorld? See how missing arms, prosthetics, bionic arms and consciousness affect a colonist’s capacity—and why faster crafting does not improve each item’s quality roll. This animated explainer compares work speed, shows the 112.5% to 112% rounding detail, and explains the contribution caps for shooting, research, melee and cooking. Includes the vanilla bionic arm crafting requirements and a checklist for “incapable of manipulation.”