Back in the days when there were less maps we played every map back to back
Ooh a little higher, now a bit to the left, a little more, a little more, just a bit more. Oooh yes, that's the spot!
The person who created the game can boot players out. AFAIK, if it's an auto-generated game nobody (apart from Aldie??) can remove players.
I'm with Craig. Auto-generated game you are in it until it dies on innactivity. May as well do the other players a favour and play it