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ZERO PROTOCOLSteam players
As of
Players, last 48 hours30-day average
1 players9 of 30 days observed
Data coverage| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 12 hours (warm tier) | 21 Oct 2026 | |
| Player counts | Every 4 hours (warm tier) | 21 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.
ZERO PROTOCOL −55% In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.
Price and Sale HistoryPrice now
$5.39−55% on sale, ends 2 Nov 2026
Lowest we've seen
$5.39−55%, 26 Oct 2026
Sales we've seen
1Deepest −55%, $5.39
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 26 Oct 2026On now, ends 2 Nov | 3 days | −55% | $5.39 | $11.99 |
| From | Price | Usual | Off |
|---|---|---|---|
| 26 Oct 2026 | $5.39 | $11.99 | −55% |
| 21 Oct 2026 | $11.99 | $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
| Poll | Players |
|---|---|
| 09:19 UTC | 0 |
| 05:18 UTC | 3 |
| 01:17 UTC | 5 |
| 28 Oct, 21:16 UTC | 2 |
| 28 Oct, 17:16 UTC | 1 |
| 28 Oct, 13:15 UTC | 0 |
| 28 Oct, 09:14 UTC | 0 |
| 28 Oct, 05:13 UTC | 0 |
| 28 Oct, 01:12 UTC | 2 |
| 27 Oct, 21:11 UTC | 6 |
| 27 Oct, 17:10 UTC | 1 |
| 27 Oct, 13:10 UTC | 0 |
Screenshots
