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 How do I host a local multiplayer game in Portal Knights on mobile? Does the Nintendo Switch edition of Portal Knights have online multiplayer? When does Portal Knights come to PlayStation 4 and Xbox One? Will I be able to take items/resources from Creative Mode in Adventure Mode? Can I switch off the UI in-game for capturing screenshots on Nintendo Switch?