Yes, if you get "SERIAL IN USE" error, get one person to reinstall. See details here
Does Online play work?
No because Gameranger doesn't support Linux yet. I'll add Gameranger to the installs when that happens. Also T3A doesn't work on Linux but I'll keep my eyes peeled for that.
Why not put these install scripts on Lutris?
Lutris doesn't allow install scripts to have game data (even the ISOs). I'm also the author of the BFME script on Lutris right now, but it's only as good as they'll let me make it.
Exception Access Violation: