Hence , 12 players are needed to play an effective game even if only 5 play at a time .
It 's not easy for continuosly for so long , in fact even in professional level no one ever playing the full game .
12 players are needed to play an effective game even if only 5 play at a time .
It 's not easy for continuosly for so long , in fact even in professional level no one ever playing the full game .