It does not scatter configuration files across your primary C:\ drive or AppData folders.
Grab your NSP dumper, fire up your Switch or Steam Deck, and get back to the battlefield.
The update is commonly distributed in the Nintendo Submission Package (NSP) format, which is standard for digital software installation on custom firmware (CFW) systems and compatible emulators. The Shift to Portable Gaming Setups
: The base game, featuring over 80 fighters and hundreds of stages.