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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.

Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (from 29 Oct) | 0 | — | — | 0 |
Average and peak concurrent players each month, and the change in average players from the month before.