Fire beams into a sealed chamber and deduce hidden atom positions from hits, returns and paired exits. Twelve chambers in three sizes with pointer and keyboard controls, undo, assisted hints and local saved progress. Adapts Black Box ray rules from Simon Tatham’s collection. Source: https://github.com/chrisboyle/sgtpuzzles/blob/d1e10eb57dd80af4999e698a9ab31f546e9a0b9d/app/src/main/jni/blackbox.c (MIT).

atom-chamber-hidden-matter.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Source chrisboyle/sgtpuzzles

Created2026-10-26

Updated2026-10-26

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.