You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
Playing against the computer, you will lose if you hit the Home button instead of +, thinking that it will pause the game for you while you check a download's status or adjust a setting in system settings. The action continues while you're not looking. As far as I know, this is the only Switch game that doesn't auto-pause when you hit the Home button.