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Project: Vaccine ANewsNew Year update!

In-game event

New Year update!

Project: Vaccine A · published 31 Dec 2025, 15:50 UTC · build 21353464

All news Players around this date Read on Steam

2.1.2 update!

The New Year has arrived! Headquarters is buzzing with New Year preparations!

..Hey M, don’t you smell something burning?

(New Year event can be played during January!)

-And more...

1 design change

And 2 bug fixes!

Have a happy New Year! Chirp.

More from Project: Vaccine A

Other announcements

Game update13 Aug 20262.1.3.4 patchnoteSystem change -Added system message when downloading Virabot.exe Balance adjustment -Hyperlink with more than 3 range get +1 cost Bugfix -Fixed a bug where clicking on an empty area in the link settings screen would cause a crash when more than one page was available as a link destination from a hyperlink. -Fixed a bug where resources could decrease below zero when rapidly placing blocks with c…Community22 May 2026Reached 50 reviews!Reached 50 reviews, with 90% very positive! Thank you for playing!Game update17 Apr 20262.1.3.3 patchnoteBugfixes -Fixed bug that Healing exact frame when you die in millennium bug fight causes glitch win -Fixed bug that x/4 Vaccine A's attack crashes game when it hits encrypted type mob for 5th hit