In 3 days? It would impossible for me to code the serverside, so i would use something already that is done. in that case i would probably use matrix. I can sca

In 3 days? It would impossible for me to code the serverside, so i would use something already that is done. in that case i would probably use matrix. I can scale it by adding more servers or if its an game where you have an serverselection you can limit it to one server and in case when there is an need for chatting across servers i can use the federation.