The "MOD2" designation typically indicates a community-made modification applied to the original May 2022 release. In the context of this game series, such mods often include:
: Improved performance for newer versions of Windows or fixes for graphical transparency issues common in older RPG Maker ports. Yuuka's Mansion (2022) - IGDB.com Yuuka's Mansion (v.30-05-2022_MOD2).rar
: A fully unlocked or expanded viewing area for in-game scenes. Yuuka's Mansion (v.30-05-2022_MOD2).rar