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Project: Vaccine A header art

Project: Vaccine A

Firewall, vaccine, cleaner... Place various blocks to protect your CPU! Vaccine A is a sandbox defense game, filled with parody of various programs.

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Developer
Publisher
Release
July 21, 2021
5 years and 13 days ago
Steam Reviews
Very Positive52 reviews88.5%

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Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Project: Vaccine A and Birb Games funded?FundingThe known source of funding behind the game.
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.

Media

8 items

About the Game

"Protect your CPU!"

Build firewalls to protect your CPU, and build vaccines to keep malwares away!

Protect your base with 200+ blocks, skills and upgrades!

Restore your HP in Cleaner, Generate code files with Notepad, Watch full map with Web browser...

Interact with various characteristic blocks!

Noturn, A'vast... Upgrade various vaccines to protect your base.

Earn exp every game and apply 60+ new perks.

Meet familiar NPCs!

Clippy, Rocky, Installation wizard... meet your old friends.

Do you remember them?

BOSS BATTLE! yes. i said boss battle.

Boss battle every 6 waves!

Fire everything you got!

Test new strategy with Creative mode!

Test various strategy and skills in Creative mode, where you can handle every settings!

Firewall spamming? Boss battle without vaccine tool? Or... make your own mini-game?

※Every programs and parodies appear in this game is made with pure respect, and no copyright issues intended.