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I used simple-peer [1] for sending coordinates between clients in a canvas painting game [2].

[1] https://github.com/feross/simple-peer

[2] https://github.com/justo-rivera/dibujio-client

Ps. Be sure to use a turn server besides a stun one, that was a big headache to get it working on mobile data

Awesome!!

I’m glad people are using the data channel for games; I always see people say “well we could have better networking but browsers only support TCP sockets” but that is not the case.

The most complicated bit is you will need TURN servers for some symmetric NAT cases; either host your own or use something like https://xirsys.com/

What language is the server in? You just need a WebRTC implementation and you should be good to go!