Decay — Steam game overview

Stored observation / content update: 2026-10-25T13:38:15.000Z

Decay is an incremental game in which you are tasked with using your trusty particle launcher to create ever-larger and more unstable atomic nuclei, witnessing longer and more complex atomic decay chains and aiming to discover all the isotopes!

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.