I have an example of a multiplayer chat, and I will attach the file below. I have a question: If both of my devices are connected to the same router but there is no internet connection, can we still connect and chat? If this is possible, please let me know.
https://editor.construct.net/#open=multiplayer-chat
please let me know if this is possible.
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It's not currently possible unless you run your own instance of the signalling server on the local LAN, which will be a fairly involved process to set up.