Koei Tecmo and Gust have released Version 1.1.1 for Atelier Resleriana: The Red Alchemist & the White Guardian on Steam, introducing important gameplay adjustments and technical fixes. The update refines the Recipe Morph system, allowing specific effects from materials used in the arrange slot to now carry over properly. Several stability and save-related issues have also been addressed to ensure smoother progression and improved reliability during gameplay sessions.
In addition, the patch resolves an issue where the game could become unresponsive after saving Cleared Game Data and includes a fix for a recently identified Unity engine vulnerability, ensuring enhanced security and stability for all players.
Full Patch Notes:
Atelier Resleriana: The Red Alchemist & the White Guardian (Steam) – Version 1.1.1
Title Screen Display: Version 1.1.1
- Adjusted Recipe Morph so that certain effects of materials used in the arrange slot are properly transferred.
- Fixed an issue where event progress might not save correctly if an auto-save occurred immediately after an event ended.
- Fixed an issue causing the game to become unresponsive when returning to the title screen after saving Cleared Game Data.
- Added a fix addressing a Unity vulnerability announced by Unity Technologies on October 3, 2025.
Atelier Resleriana: The Red Alchemist & the White Guardian is a turn-based role-playing game following two protagonists, Rias Eidreise and Slade Clauslyter, as they return to their deserted hometown of Hallfein years after a mysterious red mist caused the disappearance of its inhabitants.
The game was released worldwide on September 26, 2025, for PlayStation 5, Nintendo Switch, and PC via Steam.
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