
A short incremental game about splitting atoms and triggering exponentially growing chain reactions.
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 0/day in the week to Jul 30 → 0.29/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 25 chart moves that followed a price cut of more than 20% went a median of 10 places towards #1, and the 2,413 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About
Criticality is a casual incremental clicker game about splitting atoms and creating chain reactions.
You’re a hapless engineer caught dead-center in Cold War politics, stuck with a rickety reactor and a whole lot of very volatile atoms. No fancy degrees or top-secret training, just your screwdriver, a dream, and a ticking clock of bizarre, high-stakes situations.
Click to Unleash Neutrons - Tap to fire a single neutron, watch atoms absorb, split, and detonate in a cascading chain reaction. The longer the chain, the bigger the points haul, simple as that (until the atoms start getting tricky).
Upgrade your reactor, Unlock Chaos - Spend your hard-earned points for game-changing upgrades that supercharge your reactor. Unlock new mechanics, boost neutron output, and turn tiny fizzles into earth-shaking blasts that rack up points faster than you can say “critical mass.”
Chase the Ultimate Reaction - Push your reactor to its breaking point, hit critical mass, and reap the rewards… if you don’t accidentally trigger a meltdown first. Every click brings you closer to nuclear glory (or a very awkward conversation with your supervisor).
Genres
Engagement
Reviews
Themes across 57 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
pas exceptionnel mais c'est cool sah un peu long de passer le 3eme niveaux + quelques problèmes de trad fr mais globalement le jeu vaut ses 5$
at a certain point there's nothing you can do but wait to have enough money to buy the last ending. if only the atom splitting remained relevant
Fun little incremental game will last you a long weekend. Towards the end I only needed a single click to set of a chain reaction that would keep running out the clock. Dev seems to really respond to feedback and QOL and bug fixes in the beta branch had a turn around in the space of hours on a Sundy. Support the indies :D Also, atoms go BRRRRRRRRRRRRRRRRR
Media

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Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English, French, Italian, German, Spanish - Spain, Japanese, Simplified Chinese, Portuguese - Brazil, Russian
Hours played at review time, across 57 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Gameplay revolves around shooting balls with neutrons, which is just a fancy name for bullets. When balls end up close to one another, they trigger satisfying chain explosions, but your real objective is collecting the experience they leave behind. Every bit of experience fills your level bar, eventually rewarding you with an upgrade point. There is no traditional currency. Instead, upgrades are purchased with upgrade points, and each new level requires more experience than the last. The upgrade tree follows a familiar formula, starting with a single upgrade that branches into several others. While you can see where each path leads, the actual upgrade stays hidden until you unlock the current node. With plenty of branching options, you are free to focus on whatever playstyle suits you best. Unlike most incremental games, every individual upgrade can only be purchased once. The same upgrade can appear elsewhere in the tree, though, so progression is more about gradually improving your overall power than unlocking flashy new abilities. Expect bonuses such as firing more shots per round, extending round duration, increasing your chance to earn double experience, or strengthening the magnet that pulls in experience orbs, which otherwise have to be collected manually. Your main goal is to gather enough experience to reach higher ranks and unlock new stages. Each stage increases the amount of experience you earn from every popped ball, making future runs more rewarding. You can make steady progress through regular gameplay, but sooner or later you will want to prestige to unlock a whole new layer of progression. Prestiging resets all of your purchased upgrades, but any stages you have unlocked remain available, allowing you to jump back into higher experience gains much sooner. In return, you receive a new currency used for permanent upgrades that carry over between runs. These upgrades include higher experience gains, increased prestige currency, an idle mode, and auto collect, letting the game play itself while you simply check in from time to time to spend your upgrade points. The game has a nice sense of progression and keeps introducing new mechanics as you move forward. Later on, you unlock a rocket lab that adds its own offline resource system along with upgrades that feed back into the main game. Eventually, everything builds toward several different endings that require some dedication to reach. Even so, the game respects your time, so seeing everything does not turn into a grind that takes days.
I would not consider this a "short" game by any means, but I would consider it amazing! Took me a whole 24 hours to 100% this stunning incremental and I would do it again just for the story and alternate endings. Well worth the price and the visuals were amazing.
nice game !
Great game, relatively short, and satisfying.
Fun incremental game about nuclear reaction.
Jogo relaxante e fácil de zerar :) recomendo
I had fun. I am a sucker for Inc/Idle games and saw a popular YTer play this one. I did not "100%" it as in all acheivs, but i did get all milestones in games. I like but am confused by the Idle mode. I mostly beat this game while playing, with the few times i stepped outside or did some chores and enabled Idle mode. Other than restarting the run, i didnt see much. But, if you want a "big number get bigger" with out the number... This is a good one! Break atoms which break other atoms... And there is even CHAIN LIGHTNING (though it does not do much really...). Again.. fun enough game. I got my money's worth.
Players by region
Where this game's players are, estimated from review languages.
Players also reviewed
The games this title's players most often review too — audience affinity.
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