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Last 7 days · history since Nov 1, 2026
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100% positive of 4 · 4 user reviews · Live from Steam
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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!
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What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 100% today (4 reviews)
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Version 1.1.6 - Patch NotesChangesRemoved notifications for second-generation and third-generation fermions as at late game speeds they were causing a significant performance impact.BugfixesFixed a frankly bizarre bug which could cause launchers to break and s…
Version 1.1.5 - Patch NotesChangesChanged fund awarding so that the value is rounded to the nearest penny, rather than always rounded down. Think of it as a tax rebate, now go buy yourself something nice.BugfixesFixed an issue with parts of a chamber state per…
Version 1.1.4 - Patch NotesBugfixesFixed an issue where the launcher UI would not correctly update after activating the PRESTIGE feature.
Version 1.1.3 - Patch NotesBugfixesFixed an issue which would affect entirely new games with no saved data file, where values would not be properly instantiated and particles could not be launched.
Version 1.1.2 - Patch NotesBugfixesFixed an issue on game start where chamber upgrade effects were calculated before prestige speed boosts, causing chambers to run slowly until an upgrade was purchased and the effects were recalculated.
Version 1.1.1 - Patch NotesBugfixesFixed a bug where certain upgrades would not unlock properly, which occurred due to a mismatch when comparing a float to a double. Floating point arithmetic is so much fun!