This is so frustrating - I would love to help with troubleshooting and bugs but this games facilities for troubleshooting have, IMHO, failed.
I'm trying to play ZK on Linux Mint 17.2 - straight off the live CD. It's all vanilla except I installed the nvidia drivers and restarted my X session to use them because with nouveau I kept getting the message "spring crashed" whenever I pressed start during skirmish (also with no supporting information).
Now when I try to start a skirmish the game just hangs with the message "Spring starting..." beside the button. I can still navigate the lobby UI but the game itself won't start and the "Game Diagnostic Log" button pops up a dialog that infolog.txt cannot be found (which it can't be in the .spring folder).
The terminal output is some useless nonsense about a steam engine/library not found.
I'm at a loss as to how I troubleshoot ZK. Where are the clues as to what's happening under the hood?