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An incremental hex-puzzle roguelite game where merging atomic elements prevents a nuclear meltdown.
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An incremental hex-puzzle roguelite game where merging atomic elements prevents a nuclear meltdown.
Merge atoms into higher elements through standard merges or massive chain combos, earn radioactive coins, and manage your ring capacity efficiently to keep your reactor running at peak performance. 🚀⚛️
Invest your radioactive coins in powerful upgrades, unlock new tools, expand your reactor’s potential, and push your runs further than ever before.
Unlock +20 powerful tool upgrades to boost your efficiency, amplify your combos, and take your reactor to the next level.
Steam lists the Unstable Nuclear Reactor release date as Nov 23, 2026.
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