You can buy a physical copy that will work on any Switch (the console is region-free).
Dead or Alive Xtreme 3 Scarlet is more than just a sports game – it's an experience that offers something for everyone. Here are some reasons why you should give it a try: Dead Or Alive Xtreme 3 Scarlet Switch NSP Free
The "Free" version mentioned in many community posts refers to the official Basic Free Edition Title: The Quest for Scarlet Summer Play-Asia or
Connecting a Switch with pirated content to the internet often results in a permanent ban from Nintendo Switch Online services. Dead Or Alive Xtreme 3 Scarlet Switch NSP Free
When you see sites offering "Free NSP" (Nintendo Submission Package) files, proceed with extreme caution. Downloading pirated software carries significant risks: