>>719261208
The most common problem is that some players start glitching out and moving all over the map at high speed and pushing other players to their deaths, but from my experience that can happen with even 6 players. Another one is not being able to see other people's names or hear them in voice chat. And finally the FPS drop considerably to the point it's hard to even turn around.
Despite all that we somehow made it to the peak. Well, at least one player did...