The server contains a map that looks like this:

Whereas the client will download from the repository a map that looks like this:

This creates hidden shortcuts to the center arena where a sumo style overlapping fortress battle will commence.
In practice in may be absolute rubbish.
Let me know what you think.
It is 8 players max, as my connection isn't as quick as it needs to be. Please live with fact that sometimes cycles aren't where they appear to be.