Does Portal Knights require an internet connection to play on Nintendo Switch? July 12, 2020 18:31 No - Portal Knights does not require an internet connection to play. Related articles Does the Nintendo Switch edition of Portal Knights have online multiplayer? How do I host a local multiplayer game in Portal Knights on mobile? Can I play Portal Knights with a friend in split-screen mode on Nintendo Switch? How many friends can I play with? Can they come and go in the world? How does that work? Will I need a microSD card to play Portal Knights on Nintendo Switch?