- 2.1.3.4 patchnote - 13 August 2026
System 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 continuous placement enabled. -Fixed a bug where backdoors close twice. -(Mod) Fixed a bug where the damage statistics in Firefox Mod were not properly reflected.
- Reached 50 reviews! - 22 May 2026
Reached 50 reviews, with 90% very positive! Thank you for playing!
- 2.1.3.3 patchnote - 17 April 2026
Bugfixes -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
- 2.1.3.2 patchnote - 5 April 2026
System change -Added progression bar to Millennium Bug Bugfix -Fixed bug that when selected block destroyed, game crashes.
- 2.1.3 patchnote - 16 March 2026
2.1.3 update!-CPU bonusVaccines now gain additional effects when they are near the CPU!You can also increase the CPU bonus range in the Registry Editor.-New featureYou can now return to HQ from the Network Card!All diagnosis will be cancelled, so use this only in emergencies.-And more...2 new features9 balance adjustments1 system change2 design changesAnd 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.
- New Year update! - 31 December 2025
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 changeAnd 2 bug fixes!Have a happy New Year! Chirp.
- 2.1.1 patchnote - 28 July 2025
System changes -Vaccine C's turret now shoot targeted enemy first -Added modpack icon in gamefile selection window. Hover mouse over it to check what mods applied to it. Bugfix -Defeating Straw hat after Digital Piracy's gone will no longer cause crash. sorry for late.
- Workshop update! - 10 June 2025
2.1 update!We are back with new 'Modpack' system, and Vaccine V & Perks reworks!-ModpacksNow you can apply various mods!What if your web browser were Firefox..? What if you could have a cute goose..? Or... what if you could defeat Registry Editor and go on a robbery spree?!Try new mods for a fresh gameplay experience!Modpacks unlock after Level 6.-ReworksVaccine V has learned 'Stealth Maneuver'!Move unseen through mobs while phasing through blocks!Many Perks have been reworked - they now go beyond simple stat boosts, and introduce brand-new gameplay mechanics!-And more...70 balance adjustments15 system changes5 design changesAnd 17 bug fixes!Thank you for enjoying Project: Vaccine A! HONK!
- 2.0.1 patchnote - 8 January 2025
System change -Added 'Level up available' UI on network card. Bugfix -Fixed bug that defeating 'Badly Drawn Graphics' and 'You are an Idiot.exe' doesn't unlock new characters
- Headquarter update! - 1 January 2025
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, Hap…
- 1.9.1 patchnote - 5 August 2024
Design change -Resprite space intruder / Bobble bubble Bugfix -Fixed bug that changing crafting table from converter caused crash.
- World Wide Web update! - 2 August 2024
1.9 update! We are back with new NPC/events and various blocks added!! -New blocks Bookmark and Hyperlink added! Install these new blocks with Web design tool, and quickly navigate to the installed page! New game, 'Bobble Bubble' added on app market! It heals blocks and grants a bubble shield! And now Tetramino gets stronger the more you install, so why not try a base with classic game theme? Registry Editor has traveled the world again and discovered a new Tier-5 module! Unleash the true power of V4 and sweep away your enemies! -New NPC/Events vTorrent has appeared! It suggests downloading suspicious files.. Is it really the right choice? -New feature Russian has been added! Custom language pack uploads are also supported, so if you can help with translations, please visit our Official Discord channel! -And more... 54 balance adjustments(Phew!) 17 system changes 15 design changes And 1…
- 1.8.8 patchnote - 21 January 2024
Balance adjustments -Spaghetto code: delete spawn limit, HP 120->80 -Spaghetti code: max text beam count 10->9 Design changes -Mob found UI resprite -Database UI resprite -Added spaghetti code's text beam effect Bug fixes -Fixed bug that spaghetti code's text beam can be overlapped -Fixed spaghetto code's attack dmg in database -Fixed bug that save/load when search assistant/rocky tries to leave makes them broken and stay forever -Fixed bug that wave skip perks can't be purchased even when previous perk was purchased
- 1.8.7.3 Hotfix - 12 January 2024
-Bugfix Fixed bug that serial craft still place blocks even after you ran out of resources!!!
- 1.8.7 patchnote - 12 January 2024
-System changes Added 'rate us' popup(displays only 1 time). save me from dislike spammer.. -Design changes Instruction UI type(block/floor/skill/upgrade) now displays above instruction -Bugfix Goal UI in minigame mode displayed under block HP bar Pec-man dies instantly when killed mob spawns ghost Typing 1/2/3 in user created contents settings switches to quickslot Discord invitation expired Mob spawner UI slightly misplaced in minigame mode Instruction UI had visual issue with windowed mode Bossmob's popup type skill had click issue with windowed mode Instaton-Say cheese's visual effect lasts too long Space intruder-Multiplayer didn't create second spaceship
- 1.8.6 patchnote - 28 December 2023
-system change add screen settings. play window mode/fullscreen as you wish. add little promoting of official discord channel!
- 1.8.5 patchnote - 26 December 2023
Balance adjustment -Whale virus: damage 10->7 -'Long lasting battery' perk: Dropped resources remain 3->5 seconds more -'Accio' perk: Resource pickup range increased by 10%->25% -Pac-man: Ghost spawn chance 10%->4% Design change -Whale virus resprited Bug fix -Fixed bug that whale virus can attack through slots
- 1.8.4 patchnote - 16 December 2023
-New skin ADYODYO's circuit -New achievement Job shortage -Balance adjustment Gen 3 firewall: Increased HP(400->500), stun nearby enemies for 5 sec when destroyed Spaghetti code: spawns max 6 spaghetto code -System changes Deleted tutorial Tutorial helper lost his job Displays name of stat when hovering mouse over stat icon in status tab Displays name of indices in map when web browser selected -Design changes Resprite crafting tab UI Resprite battery UI Resprite HP UI Resprite CPU Resprite resource block Resprite firewall Resprite logic gate Resprite explode effect Added new UI to show current upgrade progress in vaccines Changed window bar color Fixed EXP info position when hovering mouse over EXP bar in profile -Bug fix Fixed bug that energy dropped when block destroyed also included in total game EXP gain
- 1.8.3 patchnote - 25 July 2023
Changes -Title screen set to 1280*640 -Added window bar 밸런스 패치 -Convert .reg can now be only done with energy -Reduced Convert .reg cost(500->300) -Vaccine C-turret changed to passive skill from installable block -Vaccine C-turret's cooldown reduced to 1.5 seconds Bug fixes -Vaccine C-turret 3.0 now displays 'max 4' in turret's instruction -Vaccine C now uses cleaner normally -Fixed bug that End task-etc. with Task manager after wave 18 makes wrong mob disappear
- 1.8.2 patchnote - 11 April 2023
Bug fixes -Registry file collecting animation didn't check letterbox -Targeting spaghetti code's temple now shows 3x3 select ui -Mob's HP didn't increase normally in specific waves -Fixed first encountering UI of Mechabug MK.1. -Slowing down Mechabug MK.1 makes its head separated from body. 밸런스패치 -Increase cost of converting .reg -Lowered 'Resource drop+', 'Energy drop+' registry's max level
