
As of
30-day average
0 players1 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 30 days (dormant tier) | — | — |
| Player counts | Every 30 days (dormant tier) | 29 Oct 2026 | |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
160 interactive mathematics experiments: turn a Rubik's cube into group theory, walk through a 3D maze, zoom into the Mandelbrot set, fit a curve, follow an algorithm step by step. Change an input and see the structure respond. 23 interface languages, runs offline.

| Poll | Players |
|---|---|
| 00:11 UTC | 0 |
Price now
$14.99Usual price
Lowest we've seen
$14.9925 Oct 2026
Sales we've seen
None yetNone since 21 Oct 2026
| From | Price | Usual | Off |
|---|---|---|---|
| 25 Oct 2026 | $14.99 | $14.99 | — |
US Steam store prices, saved each time our store check sees a change. Our records start on 21 Oct 2026, so earlier sales are not listed. A sale is dated from the first check that saw it (usually within an hour of Steam changing the price) to the end date Steam gave. How we count