
As of
30-day average
12 players15 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 20 Oct 2026 | |
| Player counts | Every day (cool tier) | 19 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.
Hidden Deep is an atmospheric sci-fi action game heavily inspired by Aliens, The Thing, and Half-Life. Explore, climb, swim, scan, blast and shoot your way through dangerous missions in a huge sub oceanic mining and research facility. Fear the horrors that lurk below…

Price now
$24.99Usual price
Lowest we've seen
$8.99−64%, 24 Oct 2026
Sales we've seen
1Deepest −64%, $8.99
| From | Price | Usual | Off |
|---|---|---|---|
| 28 Oct 2026 | $24.99 | $24.99 | — |
| 24 Oct 2026 | $8.99 | $24.99 | −64% |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| 24 Oct – 28 Oct 2026 | 3 days | −64% | $8.99 | $24.99 |
−64% sale, 24 Oct – 28 Oct 2026: Players averaged 32% fewer than the week before. Since it ended, players averaged 45% fewer than the week before.
| Sale | Off | During | Change |
|---|---|---|---|
| 24 Oct – 28 Oct 2026 | −64% | 10−32% | −45% |
Average players from our own counts over the 7 days before each sale, while it ran, and the 7 days after, kept clear of the sales either side. Steam’s big seasonal sales lift the whole store, so not every rise is this discount alone. How we count
| Month | Peak | Average | Polls |
|---|---|---|---|
| November 2026 | 8 | 6 | 2 |
| October 2026 | 27 | 13 | 14 |
| September 2026 | 30 | 10 | Archive |
| August 2026 | 30 | 10 | Archive |
| July 2026 | 41 | 16 | Archive |
| June 2026 | 72 | 22 | Archive |
| May 2026 | 54 | 15 | Archive |