Some advice: most players come to Ambercon to play a reasonable to significant percentage of their slots in Amber games. Also, most players can have Real Life intervene in their convention preparations, or attendance, with a vengeance.
These make it more likely you will not get the number of players signing up for your game:
These make it more likely you will get (more than) the number of players signing up for your game:
These will make it likelier that your game may not come off the way you intended, or even have to be canceled, by you, or us, at the con, because players did not make it to the con, did not make it to your game, or did not prepare the way you would have liked them to:
If you want to submit a game that requires a specific number of people, please have a back-up plan! It is very difficult for us to create a good schedule if we have a large game that could potentially require cancellation because it has 8 players instead of 10.