Many games (if not most) use UDP for multiplayer functionality, as it's more bandwith efficient. UDP has no error recovery, packets are sent without any idea wh

Many games (if not most) use UDP for multiplayer functionality, as it's more bandwith efficient. UDP has no error recovery, packets are sent without any idea whether the receiver got them or not, and there is no handshaking the connection like with TCP, resulting in smaller latencies.