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Primestone is a brutal stone age survival-craft game that won’t hold your grubby little hand. Use your big, beautiful brain to invent tools, tame fire, outsmart rival tribes - and maybe uncover the ruins of something much older than you.


As of —
30-day average
—No reading yet
Polled every 30 days
No price on the US Steam store for Primestone: free, not yet for sale, or not checked yet.
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 30 days (dormant tier) | 9 Nov 2026 | |
| Player counts | Every 30 days (dormant tier) | — | — |
| 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.