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As of
30-day average
4 players6 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 12 hours (warm tier) | 27 Oct 2026 | |
| Player counts | Every 4 hours (warm tier) | 24 Oct 2026 | |
| Store details | Every 3 hours, and when Steam reports a change (warm tier) | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
What'Sub is a 1–4+ player Co-op Extraction "Looter". Band together as a crew of rugged submarine pirates, on a deep-sea quest for power and glory! Loot the ocean for treasure, fulfill requests for the odd denizens of the Subyard, upgrade your submarine, and above all, dive deeper into The Well.

Price now
$6.79−15% on sale, ends 14 Nov 2026
Lowest we've seen
$6.79−15%, 4 Nov 2026
Sales we've seen
1Deepest −15%, $6.79
| From | Price | Usual | Off |
|---|---|---|---|
| 4 Nov 2026 | $6.79 | $7.99 | −15% |
| 25 Oct 2026 | $7.99 | $7.99 | — |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 4 Nov 2026On now, ends 14 Nov | 4 days | −15% | $6.79 | $7.99 |
| Hour | Peak | Average | Polls |
|---|---|---|---|
| 20:00 UTC | 8 | 8 | 1 |
| 16:00 UTC | 5 | 5 | 1 |
| 12:00 UTC | 1 | 1 | 1 |
| 08:00 UTC | 0 | 0 | 1 |
| 04:00 UTC | 4 | 4 | 1 |
| 00:00 UTC | 7 | 7 | 1 |
| 7 Nov, 20:00 UTC | 5 | 5 | 1 |
| 7 Nov, 16:00 UTC | 9 | 9 | 1 |
| 7 Nov, 12:00 UTC | 3 | 3 | 1 |
| 7 Nov, 08:00 UTC | 5 | 5 | 1 |
| 7 Nov, 04:00 UTC | 8 | 8 | 1 |
| 7 Nov, 00:00 UTC | 7 | 7 | 1 |
| 6 Nov, 20:00 UTC | 5 | 5 | 1 |
| 6 Nov, 16:00 UTC | 5 | 5 | 1 |
| 6 Nov, 14:00 UTC | 6 | 6 | 1 |
| 6 Nov, 12:00 UTC | 7 | 7 | 1 |
| 6 Nov, 08:00 UTC | 3 | 3 | 1 |
| 6 Nov, 04:00 UTC | 6 | 6 | 1 |
| 6 Nov, 00:00 UTC | 6 | 6 | 1 |
| 5 Nov, 20:00 UTC | 7 | 7 | 1 |
| 5 Nov, 16:00 UTC | 0 | 0 | 1 |
| 5 Nov, 12:00 UTC | 1 | 1 | 1 |
| 5 Nov, 08:00 UTC | 2 | 2 | 1 |
| 5 Nov, 04:00 UTC | 1 | 1 | 1 |
| 5 Nov, 00:00 UTC | 5 | 5 | 1 |
| 4 Nov, 20:00 UTC | 3 | 3 | 2 |