Undertale V1.08-gog Apr 2026

Undertale v1.08 is often considered the "standard" version for the modding scene on PC.

The primary fix addressed a known issue where the game would experience significant slowdowns on certain Windows 10 configurations.

is a maintenance update for the PC version of Toby Fox's acclaimed RPG, released on GOG and other platforms on February 5, 2018. While it didn't add the major content seen in console ports (like the Dog Shrine or Mad Mew Mew), it remains a critical version for performance and technical stability. Key Technical Changes