I was hoping there was a value to enter that would skip this check and upload, but does not appear so.
Don't want to put their lan on the net. Then I have to add firewall, virus software, rootkit checker, ... Its a closed/safe network we use for gaming. It was cheaper building 3 exact pc's than it was getting 3 PS3's

I will have to look into the Freespace project, as that has multiplayer, but may be too complex for a 8/10/10 year olds to pick up effectively.
Any other multi-player space sims out there?