Buying or Nexomon: Extinction through the Official Nintendo eShop is generally considered "better" because it ensures you receive the latest updates—like the major Abyssal post-game content (version 2.0.1)—automatically and without the risk of system bans associated with modding or NSP files . Update & Performance Differences

If you’re comparing the NSP (homebrew/ROM) version versus the official eShop release: stick with the eShop release for stability, updates, and developer support. The official version receives patches that fix bugs and improve balance; it also preserves achievements and saves without risk. eShop purchases ensure you get future content updates and a secure, stable experience.

Which specific you are currently playing (the original or Extinction )

A: With the update , yes—specifically regarding story. Nexomon: Extinction has a fully voiced, self-aware comedy story that mocks creature-collection tropes. Pokémon hasn't had a voice-acted story in 25 years.

Downloading and playing NSP files has severe consequences:

Nexomon experiences are significantly enhanced by the Nintendo Switch ecosystem's built-in features.