Rise of the Radioactive Realm

Periodic Panic

Uranium-92 wants to melt down the Periodic Table. Tag-team two stable elements and stop him with real chemistry.

Threat elementU 92238.03 u · unstable

Mendeleev City · Emergency Broadcast

The Table Is Going Critical

Uranium-92 and his Radioactive Rogues — Plutonium, Radium and Polonium — are shaking the Periodic Table apart. Pick two stable elements. Save every square.

Best with a keyboard — but it plays fine with thumbs on a tablet.

Tip · every enemy wears a badge showing the element it fears ← Junior edition