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As of
30-day average
0 players2 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 30 days (dormant tier) | 26 Oct 2026 | |
| Player counts | Every 30 days (dormant tier) | 21 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.
Dive into a world of despair in the world of Underwater. Take the role of an unknown inmate entering the a deep sea prison where mutants roam and barely any traces of human life remain. You will have to use all your ingenuity to escape and avoid becoming the meal of the hideous denizens.

Price now
$9.99Usual price
Lowest we've seen
$0.89−91%, 27 Oct 2026
Sales we've seen
1Deepest −91%, $0.89
| From | Price | Usual | Off |
|---|---|---|---|
| 6 Nov 2026 | $9.99 | $9.99 | — |
| 27 Oct 2026 | $0.89 | $9.99 | −91% |
| 22 Oct 2026 | $9.99 | $9.99 | — |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| 27 Oct – 2 Nov 2026 | 6 days | −91% | $0.89 | $9.99 |