My spidey sense is that almost all games used a custom UDP solution. I could be wrong! I made a Twitter poll to try and get info. You’re right that a custom re

My spidey sense is that almost all games used a custom UDP solution. I could be wrong! I made a Twitter poll to try and get info. You’re right that a custom reliable UDP solution is going to wind up QUIC-like. On the other hand it’s what games have been doing for over 20 years. It’s not particularly difficult to write a custom layer that does exactly what a given project needs. I don’t enough about QUIC to know if it adds unnecessary complexity or not.