Hello from the Aooni Support Team.

We are currently aware of an issue where the game "Aooni The Horror of Blueberry Onsen" fails to launch due to a startup error. We apologize for any inconvenience this may have caused.

To resolve this issue, please try the following steps:

1. Disable Steam Cloud Save
Right-click on "Aooni" in your Steam Library and select "Properties."
In the "General" tab, uncheck the option labeled "Keep game saves in the Steam Cloud for Aooni."

2. Delete the Game's Local Data Folder

C:\Users\[YourUsername]\AppData\LocalLow\GameStudioInc_\AooniB

Note: The drive letter "C" may vary depending on your system configuration.

Delete the contents of the "AooniB" folder.

Note: The "AppData" folder is hidden by default. To access it, you may need to enable the display of hidden files and folders in your system settings.

3. Reinstall the Game
Uninstall "Aooni The Horror of Blueberry Onsen " from your system.

Reinstall the game through Steam.

Launch the game to check if the issue is resolved.


Thank You.
Aooni Support Team.

The Steam version of "Aooni The Horror of Blueberry Onsen" is now officially released!

The latest installment in the Aooni series is here!
What is the secret behind the mysterious Blueberry Hot Springs hidden in an abandoned inn? And what awaits deep within its depths...?
Will Hiroshi and his friends be able to escape safely?

Don’t forget to try out the high-speed mode — up to 16x faster gameplay for an intense experience!