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Frequently Asked Questions

How would I broadcast data from one client to others?

You usually don't do that. By using an authoritative game server, the clients generally send actions to the server, and the server mutates the state of the game session. After having the mutation, all clients will receive the latest state from the server in the next patch interval.

Do I need client-prediction in my game? Does Colyseus help me with this?

Colyseus does not provide any client-prediction solution out of the box. Games such as and do not use any form of client-prediction. lerping user coordinates usually gives reasonable results.