The "Unlocked" MOD for version 21.1.100 typically claims to provide:
: As the official mobile version is a paid title (typically around $3.50–$4.00), MOD versions are often sought to bypass this payment. Critical Safety Warning The School – White Day APK v21.1.100 (MOD, Unlocked)
While version 21.1.100 is a specific build of the game, downloading MOD APKs from unofficial sources carries significant risks: The "Unlocked" MOD for version 21
: Access to paid costumes and extra characters without in-app purchases. White Day: A Labyrinth Named School on Steam
: It is a single-player experience that can be played offline. White Day: A Labyrinth Named School on Steam
: MODs are not officially supported and may crash frequently or fail to load specific levels, especially the complex puzzle sections for which the game is known. Official Game Performance
: Immediate access to Hard and Real difficulty modes, which normally require completing the game first.