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Project: Vaccine ANews2.1.3 patchnote

In-game event

2.1.3 patchnote

Project: Vaccine A · published 16 Mar 2026, 05:47 UTC · build 22357164

All news Players around this date Read on Steam

2.1.3 update!

-CPU bonus

Vaccines now gain additional effects when they are near the CPU!

You can also increase the CPU bonus range in the Registry Editor.

-New feature

You can now return to HQ from the Network Card!

All diagnosis will be cancelled, so use this only in emergencies.

-And more...

2 new features

9 balance adjustments

1 system change

2 design changes

And 6 bug fixes!

Thank you for enjoying Vaccine A! Beep.

...And once all diagnoses are complete, don't stay on that device for too long.

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