With the exception of consoles and game cards distributed in the Chinese region, Nintendo Switch game cards are not region locked. Nintendo Switch Regional Compatibility FAQ | Support
"Unser Fantasy Quest" is a turn-based, 16-bit style RPG, with [USA/JPN] NSP update files indicating a multi-language release designed for region-free consoles. Official Nintendo Switch hardware runs software regardless of region, although unverified NSP files risk system bans and functional issues. For official support information, visit Nintendo Support . Nintendo Switch Regional Compatibility FAQ | Support
With the exception of consoles and game cards distributed in the Chinese region, Nintendo Switch game cards are not region locked.