
As of
30-day average
2 players5 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 12 hours (warm tier) | 25 Oct 2026 | |
| Player counts | Every 4 hours (warm tier) | 24 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.
A falling-sand sandbox built on the **real periodic table**. Every element has genuine physical properties, and reactions emerge from real chemistry — rust iron, ignite thermite, run a galvanic cell, split a uranium pile to criticality. Discover it all in an encyclopedia that fills as you play.

Price now
$3.99−20% on sale
Lowest we've seen
$3.99−20%, 25 Oct 2026
Sales we've seen
1Deepest −20%, $3.99
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 25 Oct 2026On now | 3 days | −20% | $3.99 | $4.99 |
| From | Price | Usual | Off |
|---|---|---|---|
| 25 Oct 2026 | $3.99 | $4.99 | −20% |
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
| Poll | Players |
|---|---|
| 01:35 UTC | 1 |
| 27 Oct, 21:35 UTC | 3 |
| 27 Oct, 17:34 UTC | 2 |
| 27 Oct, 13:33 UTC | 5 |
| 27 Oct, 09:32 UTC | 1 |
| 27 Oct, 03:30 UTC | 2 |
| 26 Oct, 21:29 UTC | 1 |
| 26 Oct, 14:49 UTC | 1 |
| 26 Oct, 08:41 UTC | 0 |