When I'm in solitary, the shells fly as they should and punch in an original way(as the author intended) but if a friend spawns when he is in multiplayer, the shells fly up to 5 meters and fall into the ground,and even if they get the maximum penetration of 4mm, who knows what it is, and how to fix it (if I'm talking about tanks) https://youtu.be/tcba9Y4vQLk