Only send updates of position of the players that are likely to be visible ?

Look at railway maps in Tokyo

Or if you are too lazy to search, https://youtu.be/3NfUAO_KjQA

The main reason for tank crews(at least the commander) to open their hatches is not for ventilation, but for visibility and situational awareness.

And I thought kotlin was crazy with whatever (modifier: Modifier = Modifier) means to make it happy

cough cough North Korea cough cough

Pretty sure only you thought that