
As of
30-day average
9 players16 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 23 Oct 2026 | |
| Player counts | Every day (cool tier) | 22 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.
| Poll | Players |
|---|---|
| 6 Nov, 22:59 UTC | 9 |
| 5 Nov, 22:55 UTC | 12 |
Descend into Lovecraftian horror aboard a claustrophobic military submarine. Assign tasks as a captain’s right hand, analyze sonar signals, make hard decisions, and keep the crew from madness. Dark horrors lurk both within… and beyond the hull.

Price now
$8.99−25% on sale
Lowest we've seen
$8.99−25%, 21 Oct 2026
Sales we've seen
1Deepest −25%, $8.99
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 21 Oct 2026On now | 16 days | −25% | $8.99 | $11.99 |
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