Players tap and automate their way through branching trees of life, evolution, and civilization, unlocking new organisms, milestones, and fact snippets as the simulation expands.
Why it may be useful
You cannot buy a mammal before a fish, so the order of life is built into the tree, and daily play gives a rough sense of sequence and deep time. The facts themselves are optional text panels you can unlock without reading a single one.
Keep in mind
The idle clicker structure compresses billions of years into a smooth progress ladder, and speculative future technology sits styled identically to established science.
Written 2026-09-15 · editorial assessment, not a measured effect · how we rate →
What the game is
Cell to Singularity is an incremental game about the history of life. Computer Lunch has been building it since 2018, and it now runs in a browser, on phones, and on Steam, free on every route. You begin with a single cell on a bare screen and tap to generate a currency the game calls Entropy.
Entropy buys the next thing: a multicellular organism, then a fish, a reptile, a mammal, a primate, a human. Each purchase opens more of a branching tree and usually a short factual note about what you just bought. Once the tree of life is running, further branches unlock, including a civilization tech tree, a dinosaur section, a Mars terraforming track, and a speculative future one, and the game keeps producing Entropy while you are away. Classical music plays over all of it. It costs nothing to download and makes its money from in-app purchases.
What you actually do
At the start you tap. Every tap adds Entropy, and Entropy buys an upgrade that produces Entropy on its own, so within a few minutes the tapping becomes optional and the decision becomes which branch to feed next. You open a node, read the short note attached to it, and choose between saving for the expensive unlock further along or taking three cheap ones now. Closing the game does not stop it: production continues, so coming back means spending a large pile at once. Later branches introduce their own currencies and their own trees. Getting better means understanding which upgrades multiply and which merely add.
What it exercises
Orders the major stages of life on Earth from cell to human
Chooses between a cheap immediate upgrade and an expensive later one
Recognizes that some upgrades multiply while others only add
Connects a short factual note to the item it was attached to
Reads large numbers and compares rates of production
Why we rate it Minimal Worksheet score 33 / 100
FitHow much real knowledge or skill does the play itself make you use?25weight 45%
Fit is low, at 25. The chronology is built into the progression, since you cannot buy a mammal before a fish, so the order of life is the shape of the tree rather than a fact to memorize. It stays low because the facts themselves are text panels attached to nodes, and you can unlock the whole tree without reading one of them.
TransferWill what you practise here work outside the game?35weight 30%
Transfer sits at 35. Hours spent climbing this tree leave you with a rough sense of sequence and of deep time, which is the hardest thing to convey about evolution. What does not carry over is mechanism: nothing in the game models selection, variation, or inheritance, so you learn an order of arrival rather than how it happened.
PracticeDoes the game make you use that skill again and again, as it gets harder?45weight 25%
Practice reaches 45. The same choice repeats constantly, feeding this branch or saving for the next tier, and the game is built to be returned to daily for months, which is a great deal of practice at comparing rates and planning purchases. It is much less practice at anything scientific, since a given fact is read once, if at all, and never revisited.
What the evidence says
Editorial onlyNobody outside our desk has checked this. It is our reading of how the game plays.
Editorial only: our assessment from the mechanics and from Computer Lunch's official site, press page, and the App Store and Steam listings, all checked in August 2026. Those confirm the developer, the 2018 early-access start and the 2021 full Steam release, the free-to-play model with in-app purchases, the browser, mobile, and PC routes, and the branch structure covering evolution, civilization, dinosaurs, Mars, and speculative futures. No study looks at this game, and we found none on incremental games as a way of teaching chronology. The claim is narrow: the order of the tree is the order of the game.
Editorial assessment - not a measured scientific effect.
Fit
25/100
Transfer
35/100
Practice
45/100
Why it makes the cut
It clearly functions as an addictive incremental game first, even if the science framing disappeared.
Editorial only
Editorial only: no study looks at incremental games as a way of teaching chronology, so the claim is narrow, that the order of the tree matches the order of the game.
Prices are US store listings in USD, last refreshed 2026-09-25; regional prices and sales differ.
The official site currently exposes a dedicated browser play page on 2026-08-20.
The official site and press materials confirm current PC and mobile support alongside the browser version.
The App Store listing currently shows 4.8 out of 5 from 22K ratings.
Age guidance
Ages 10+
Topics
STEM
Play styles
Single-player, Simulation
Tags
Evolution · Idle science · Tech tree
The order of the tree is the order of life, built into progression rather than told to you, but the facts themselves are optional text you can skip while still unlocking everything.
