Nope, it might use TCP for negotiation of things that aren't time sensitive but it uses UDP for replication[1] as has pretty much every Unreal or Quake based en

Nope, it might use TCP for negotiation of things that aren't time sensitive but it uses UDP for replication[1] as has pretty much every Unreal or Quake based engine since they were first developed. I've worked on a variety of engines which were either UE or Quake based. All of them use UDP for temporal game state updates to avoid head of line blocking[2][3]. [1] https://answers.unrealengine.com/questions/197713/is-replication-and-reliability-made-with-udp-or-tc.html https://answers.unrealengine.com/questions/197713/is-replica... [2] https://stackoverflow.com/questions/39323556/why-do-game-developers-avoid-tcp-and-make-udp-reliable-in-the-application-level https://stackoverflow.com/questions/39323556/why-do-game-dev... [3] https://www.gamasutra.com/view/feature/131781/the_internet_sucks_or_what_i_.php?print=1 https://www.gamasutra.com/view/feature/131781/the_internet_s...