Status
SteamPeaks
ChartsSalesUpcomingPatchesNewsCalculator
New on SteamEvery app, DLC and depot the minute Steam creates itAppsEvery app on Steam, newest change firstPackagesSubs and bundles, and what each containsDepotsDepots, manifests and install sizesTagsSteam's user tags and the games under themDevelopers & publishersCompanies and their cataloguesTechnologiesEngines, SDKs and anti-cheat found in the filesChange historyEvery PICS changelist as it lands
SignalsNineteen readings of the whole catalogueCompareAny games side by sideRecordsAll-time peaks and the days they were setReportsWeekly and monthly write-upsAlerts & newsroomWatch a game, get told when it movesSteam statusIs Steam up, right nowWeb API explorerTry the endpoints in the browser
NewsSteam's own announcements and the sales calendarCalculatorWhat a Steam account is worth, and its pile of shame
/
Sign in
/
SteamPeaks
The ultimate resource for Steam data.
ExploreChartsSalesSales and festsUpcomingPatchesNewsRecordsTrendingSignals
DatabaseAppsPackagesDepotsTagsDevelopersTechnologiesChange history
ToolsCalculatorCompareSearchAlertsSteam statusAPI
SiteMethodologyFAQDiscordSupportSign in via Steam
Not affiliated with Valve or Steam. Game names and artwork belong to their owners. All times UTC.
PrivacyCookiesFair useStatus
Project: Vaccine ANewsHeadquarter update!
Major update

Headquarter update!

Project: Vaccine A · published 1 Jan 2025, 06:21 UTC · build 16885216

All newsPlayers around this dateRead on Steam

2.0 update!
We are back with new bosses,#and various major changes!

-New bosses


3 new bosses have been added: Badly Drawn Graphics, You are an Idiot.exe and Memory leak!
They will randomly appear in place of existing bosses at wave 6/12/18.

-New Structures


Network card has been added!
Now you can get EXP in real-time during the game, and contact HQ to increase your security level.
Also, you can check the current game statistics!


Battery has been added!
Feel free to change the game speed as you wish in Creative mode.

-New features


The Database has been renewed!
Check out the new Database to see information about related buffs/debuffs and drop items.
In addition, several user convenience features have been added, such as Crafting tab/Quickslot Lock.

-And more...
6 balance adjustments
30 system changes
9 design changes
And 23 bug fixes!


Thank you for enjoying Vaccine A! Beep.
and also, Happy New Year!

More from Project: Vaccine A

Other announcements

All news
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