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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.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest ends
Official stores with direct support.
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.
Collect various code fragments and data from viruses.
Use the collected data to upgrade yourself and unlock powerful new weapons and abilities.
Kill the Virus Boss at the end of the level to progress.
Advance through levels to unlock new enemies and gather more data.
Satisfying Incremental progression
Multiple resources to collect
Extensive upgrade tree
Wide variety of unique weapons and droppable powers
Relaxing, satisfying gameplay
Lowest tracked price: €2.49 (Jul 7, 2026) · current best: €3.49.
100% positive reviews in the last 30 days (88% all-time) · 6 peak players in the last 30 days.
Right now the cheapest offer for Antivirus PROTOCOL is €3.49 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Antivirus PROTOCOL is €2.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Antivirus PROTOCOL peaked at 6 concurrent players on Steam in the last 30 days (highest on Jul 9, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Antivirus PROTOCOL drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
