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Virus Hunter — patch notes and updates

Stored observation / content update:

Dated developer announcements recorded from Steam. Open the source for the complete update.

UpdateDateExcerpt / source
August 12, 2026 Update2026-08-12We have compressed the font data and other in-game data, reducing the storage space required for installation and improving stability.
Six-Month Anniversary Sale Now On!2026-07-19Virus Hunter will reach six months since its release on August 18. To celebrate our half-year anniversary, we're holding a 50% off sale for 14 days, starting at 2:00 AM JST on August 18, 2026.Don't miss this chance to pick it up.Add it to your wishlist to get notified when the sale begins.
Patch Notes – June 7, 20262026-06-07Description: Fixed a bug where the gold balance would display as a negative value after earning a large amount of gold at once.
Mid-Scale Update Released2026-05-16The following updates have been applied: Improved overall stability Fixed a bug where the game would freeze when death and level-up occurred at the same time Enhanced death animation effects Added sound effects for taking damage Adjusted UI so that recipe-related weapons are shown on level-up Adjusted positions and colors of some buttons Fixed numerous other minor bugs
Fixed several bugs2026-03-30Acquisition range expansion not being applied correctly in some environments Invalid recipe weapons being displayed HP recovery values not working correctly Some recipe icons being displayed incorrectly Weapon size increase upgrade effects not being applied correctly Gold acquisition amount being too low Other minor bugs
Synthesis Weapon Recipe Menu2026-02-19To coincide with the official launch, we have created a Synthesis Weapon Recipe Menu.You can view it within the game, but feel free to download and use it as needed.
Virus Hunter Officially Launched!2026-02-19Today, February 19, 2026, Virus Hunter has officially launched.Players who purchased the Early Access version can play the full release version without any additional purchase.In the full release, all weapons and stages that were previously restricted in Early Access have been unlocked.We have also implemented the new “Synthesis Weapon” system, which allows players to obtain powerful combined weapons by leveling up specific weapon combinations, as well as a feature that lets you enhance your base stats using in-game coins.Virus Hunter was developed with the goal of delivering simple controls and highly replayable gameplay.We encourage you to
We will be exhibiting at Tokyo Game Dungeon 9!2025-07-30We are excited to announce that we will be showcasing a special demo of "Virus Hunter" at Tokyo Game Dungeon 9, which will be held in Hamamatsucho, Tokyo on August 3, 2025.This demo version for the event includes the new "Weapon Synthesis" feature. You can combine existing weapons to create more powerful ones, making the gameplay even more exhilarating.Tokyo Game Dungeon is a highly popular indie game exhibition that has been running since it was first held in August 2022.If you are attending the event, please be sure to visit us at booth 4P-6.We look forward to seeing you there!
Update on May 31, 20252025-05-31Thank you for your patience! This update introduces five new weapons: 1. Vaccine Bomb https://clan.fastly.steamstatic.com/images/45272457/54b5aa982172705f28c6b348e6cc8e952c94e113.jpg A holy bomb that scatters vaccine-filled projectiles and creates damage zones. 2. Shotgun https://clan.fastly.steamstatic.com/images/45272457/5b3765d3cd814189d551fde7fd40c540d983ec62.jpg Fires powerful bullets in a fan-shaped spread toward the front. 3. Bullet Rain https://clan.fastly.steamstatic.com/images/45272457/e0b0e198d9e33de258c44513d8237702fbe1a7f0.jpg Rains bullets across the entire screen like a storm. 4. Fire Bullet https://clan.fastly.steamstatic.com/
Virus Hunter will be featured at Tokyo Game Dungeon 8!2025-05-03On May 4, 2025, Virus Hunter will be showcased at Tokyo Game Dungeon 8, held in Hamamatsuchō, Tokyo. Tokyo Game Dungeon is a popular indie game exhibition that has been attracting attention since its first event in August 2022. If you’re attending, be sure to stop by Booth 3P-10 and check out the special demo version! We look forward to seeing you there!
Upcoming Update Plans2025-04-14We’d like to share our plans for future updates to Virus Hunter. We are currently working hard toward completing the full version by the end of June. • New weapons • Additional stages and story content • Other exciting features to enhance the gameplay (please look forward to it!) Development is progressing smoothly with a focus on these areas. There’s been a brief gap between updates, but we’re doing our best to bring you a more powerful Virus Hunter. Thank you for your patience! We truly appreciate your continued support.
Cloud Save Support Added2025-03-11Thank you for your patience! With this update, Virus Hunter now supports cloud saves. This means you can transfer your save data even if you change your computer or reinstall the game. We will continue expanding the game's content, so please look forward to future updates!
A Slight Price Increase Has Been Implemented2025-03-01Thank you for playing Virus Hunter! Due to content expansion, we have implemented a slight price increase. The price may be adjusted further in the future based on the progress of development, and we appreciate your understanding. Once you purchase the game, you can continue playing it indefinitely. If you haven't purchased it yet, we encourage you to consider buying it at a time that suits you. For those who have already purchased the game, please look forward to future expansions! Thank you for your continued support. We appreciate your ongoing enthusiasm for Virus Hunter!
Update on February 22, 20252025-02-22The following updates have been implemented: Added two new weapons Added Stage 3 Added a new mid-boss Adjusted sound effects (SE) Adjusted enemy spawn algorithm Additionally, several bugs have been fixed.
Update on February 92025-02-09The update and fixes are as follows: Changed the sound effect (SE) for hits Reduced overlapping SE playback Increased BGM playback priority Added two new weapons Additionally, several minor bugs have been fixed.
We plan to raise prices in February! Buy now during the sale and save!2025-01-27We are planning a price increase starting in February. If you haven’t made your purchase yet, make sure to take advantage of the current sale period! Once you make a purchase, you’ll be able to keep playing without being affected by future price increases! We will continue to provide updates, so stay tuned!
Update on January 23, 20252025-01-23The following updates have been implemented: Adjustments: ・Adjustments to statistical data within save data ・Minor bug fixes ・Adjustments to certain expressions
We are holding a 2025 Spring Festival (Lunar New Year) Celebration Sale!2025-01-22To commemorate the addition of Simplified and Traditional Chinese support for our game, we will be running a Spring Festival (Lunar New Year) Celebration Sale from January 23, 2025, at 2:00 AM to February 4, 2025, at 2:00 AM (GMT). Enjoy a 10% discount during this period, so take advantage of this opportunity to purchase and enjoy the game!
Update on January 17, 20252025-01-17Added support for Simplified and Traditional Chinese. Fixed minor bugs.
2025/01/04 Update Details2025-01-04Fixed an issue where certain items could not be obtained correctly. Improved UI placement issues. Addressed minor bugs and glitches.
Happy New Year!2024-12-31We deeply appreciate your ongoing enjoyment of Virus Hunter. Since its Early Access release on December 13, 2024, Virus Hunter has been steadily updated thanks to your support. Although the game is still in its development phase, we are committed to making it even more enjoyable throughout 2025 with continuous updates. If you have any bug reports, feedback, or suggestions, please feel free to share them on our forums. We wish you a wonderful year ahead in 2025! Thank you for your continued support this year! Virus Hunter The Development & Publishing Team
Update Implemented2024-12-31We have implemented an update today with the following changes: Fixed an issue where some enemies would not freeze (updated to ensure they now freeze as intended). Adjusted some enemies to drop recovery items at a low probability. Tweaked the behavior of certain enemies. Modified the visual effects of the damage field for some weapons. Ongoing Work We are currently addressing the following: Adding new weapon types. Adjusting the mechanics of certain enemies. Introducing a character power-up feature. The next update is scheduled for early January. We apologize for the delay in completing some updates initially planned for this year. We sincere
Update Notes - December 31, 20242024-12-31Fixed an issue where some enemies would not freeze (updated to ensure they now freeze as intended). Adjusted some enemies to drop recovery items at a low probability. Tweaked the behavior of certain enemies. Modified the visual effects of the damage field for some weapons.
Update Details for December 232024-12-23We implemented an update on December 23! ・Removed the "Exit Game" option from the Game Over screen. ・Removed the HD resolution option from the settings. ・Added a close button to various screens, such as the options menu. ・Removed the UI displaying elapsed time within stages. ・Changed level-up behavior so that one of the currently equipped weapons is always displayed as an option. ・Fixed an issue where loading would not complete. ・Fixed button-related bugs. ・Fixed an issue where enemy HP display was incorrect in certain cases. ・Addressed several minor bugs. Please note that with this update, if you were playing in HD resolution, it will be swi
Update Details for December 162024-12-15We have released an update on December 16! Here are the details of the update: ・Fixed a bug where stages would not transition properly ・Fixed issues with certain weapons (turret-type weapons that target enemies) and adjusted their performance ・Other minor adjustments We plan to continue updating the game. If you find any bugs or issues, please let us know on the message board. Your feedback is greatly appreciated!
The Early Access Version is Released Today!2024-12-13Thank you for waiting, everyone! The Early Access version is finally here! Although the content is still limited, we’ll be continuously adding more weapons, stages, and stories in the future! The price will be adjusted appropriately over time. If you find any bugs, we’d appreciate it if you could report them on the message board! Be sure to give it a try!
Scheduled for Early Access Release Dec 13th!2024-12-11Thank you for waiting, everyone! We are finally launching the Early Access version of VIRUS HUNTER! The release is scheduled for December 13th. We plan to continue adding new stages and weapons in the future, so please give it a try! We’d greatly appreciate it if you could share your feedback or anything you notice on the community board!
We have updated the demo version!2024-11-25The demo version of Virus Hunter has been updated. Here are the details of the latest update: ・Added new weapon types ・Fixed bugs We are also planning to release an Early Access version within this year, so stay tuned! Don’t forget to add us to your wishlist!
The demo version has been updated!2024-11-14Today, we updated the demo version of Virus Hunter. The update includes: ・Addition of a new weapon We plan to continue updating the game in the future, so please add it to your wishlist. If you notice anything, we would appreciate it if you could post it on the community board!
We've updated the demo version!2024-11-07Today, we released an update to the demo version of Virus Hunter. Here’s what’s new in this update: ・Fixed effects for the electric weapon ・Adjusted enemy spawn rates ・Fixed an issue where title music did not play ・Updated enemy designs ・Adjusted UI design We plan to continue updating the game, so please consider adding it to your wishlist! If you notice anything, feel free to share your feedback on our community board!