
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) | 25 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.
180 interactive physics experiments in 3D: drive a robot arm, open a tokamak, run a Stirling engine, trace rays, fields and waves. Change a parameter, watch the model respond and read the measurements beside it. 23 interface languages, runs offline.

Price now
$19.99Usual price
Lowest we've seen
$19.9925 Oct 2026
Sales we've seen
None yetNone since 21 Oct 2026
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