Waiting for the host to start a game…
Play NES, SNES, N64, Game Boy, GBA, Genesis and PS1 together in rooms.
The host runs the games from their own library and streams them to everyone.
Enter the 5-letter room code from the host.
Needed when "could not link to host" appears (players on different networks / cellular). Enter the same settings on both host and guest devices.
Metered relay: built in by default. Only change these if you switch accounts.
Option B — any TURN server: