Board Game Arena

After a couple of games of Troyes, I already got myself trapped two times with this: when I select an action which requires me to recruit a new worker (e.g. put a new worker on bishopry, or put a new worker on a card), I have no option to change my mind. For the first time I forgot about the rule th...

I see there is an option to play a turn based game without any time limits. What happens if a player doesn't ever log in again? Does the system clean up such 'zombie' games?