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Antivirus PROTOCOL
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“Its fun enough and polished. But there is no strategy. You don't get to choose a weapon loadout or even your upgrade path really because you will always get enough resources to max out everything. Game loop: Defeat Viruses - Spend resources gained on a very very limited skill…”
— a player, Steam review · 3 hrs played“Pretty fun. Does have low replayibility but worth the few bucks you give it”
— a player, Steam review · 3 hrs played“Music and SFX make for a great ambiance. Level progression has a nice pace. Really nice game to pass the time and vibe.”
— a player, Steam review · 4 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-03 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Patch 1.0.7
Fixed an issue with the level 14 shock damage upgrade not displaying and applying the correct value.
Patch 1.0.6
Fixed a bug where Viruses death sound effect was not triggering. Added Credits to the End Game scene.
Patch 1.0.4
Updated the Demo to the most recent version of the game. Players that play the Demo and buy the game, will continue to play on the same save. (no need to start from the begining) Fixed a bug where Ach
🚀 Balancing Patch 🚀
Hello everyone! I've been listening to all your feedback and I did some balancing: Lowering the Boss HP in 6 levels Lowering corruption damage in 5 levels. Lowering prices for 8 key-upgrades Increased
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Casual, Indie, Simulation, Strategy |
| Player tags | Bullet Heaven · Incremental · Roguelite · Action · Simulation · Idler · Roguelike · Bullet Hell · Casual · Abstract · Minimalist · Cute (Steam store community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English |
| Achievements | 10 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: 2 GHz Memory: 2 GB RAM Graphics: DirectX 11 DirectX: Version 11 Storage: 100 MB available space