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Defend the CPU of your computer from the waves of virus invasions in this pixel-art tower defense game!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
AntiVirus is a fast-paced pixel-art tower defense game in which you deploy your Antiviruses to stop the waves of invading computer viruses from reaching your CPU.
Place a variety of Antiviruses along the path of the invading viruses in order to defend your CPU, earn more credits, and up build more defenses to fight off the ever quickening waves of enemies. Take the fight across a variety of levels in a campaign series, or make your last stand and see how long you can last in the endless modes.
With 4 different worlds, each containing 5 different levels and an endless mode, you can either jump in for a quick defense session or grind out a new highscore.
Lowest tracked price: €0.99 (Jul 7, 2026) · current best: €1.99.
67% positive reviews all-time.
Right now the cheapest offer for AntiVirus is €1.99 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 is €0.99 (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.
Create a free price alert on this page and KingsPrice will email you when AntiVirus 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.
