System Requirements for Dom III

[Cainehill]

Plus, you get 50+ players into a game, it'll go to hades pretty quick. Anytime there's even been 18 or so, people starting going AI, or simply staling 20 turns in a row without notice.

And it's not even that it's dilettantes or bad people, just that the more people you have, the greater the chance that some of the people wind up having to move, find new jobs, have a death in the family, a war start, or otherwise have their lives disrupted to where they can't put time into game playing.