Online Multiplayer and Room Passwords

What is required before creating an online room?

Check that the intended participants are registered Friends and can use Nintendo Switch Online. Start through Online rather than the local player-count option. The manual describes a two-to-four-person online session; its description does not establish public matchmaking with strangers or a separate free online mode.

How do hosting and joining work?

The host chooses Create Room, sets the room options and waits for everyone to join. Other players choose Search for Room and select the correct room from the list. If a password is set, share its four digits with the invited players. The host starts the game after the group has arrived.

What should you check when a friend cannot join?

Check the Friends registration, membership, selected room and password before changing unrelated settings. The manual also advises avoiding wireless interference and disconnecting mid-game. These are a checklist, not proof of a particular server outage; this page does not invent an error-code fix that has not been documented.

Related guides

• Local Co-op and Host Controls
• Beginner Guide and First Steps
• Controls for Joy-Con and Pro Controller