Another option: allow players to specify number of attendants. Guest players could be friends of current players. So when a player signs up for a game she can specify total number of players that she represents. By default it is 1, but can be increased.
Another option: allow players to specify number of attendants. Guest players could be friends of current players. So when a player signs up for a game she can specify total number of players that she represents. By default it is 1, but can be increased.