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As of
30-day average
1 players15 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.
Antivirus PROTOCOL is an incremental game about destroying viruses. Learn and adapt, collect data, upgrade yourself, and eliminate the Virus that has taken over the world.

| Hour | Peak | Average | Polls |
|---|---|---|---|
| 5 Nov, 22:00 UTC | 0 | 0 | 1 |
| 4 Nov, 22:00 UTC | 0 | 0 | 1 |
| 3 Nov, 22:00 UTC | 2 | 2 | 1 |
| 2 Nov, 22:00 UTC | 0 | 0 | 1 |
| 1 Nov, 22:00 UTC | 2 | 2 | 1 |
| 31 Oct, 22:00 UTC | 1 | 1 | 1 |
| 30 Oct, 22:00 UTC | 0 | 0 | 1 |
Price now
$4.99Usual price
Lowest we've seen
$3.49−30%, 21 Oct 2026
Sales we've seen
1Deepest −30%, $3.49
| From | Price | Usual | Off |
|---|---|---|---|
| 26 Oct 2026 | $4.99 | $4.99 | — |
| 21 Oct 2026 | $3.49 | $4.99 | −30% |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| 21 Oct – 26 Oct 2026 | 4 days | −30% | $3.49 | $4.99 |