It is a card game. The aim of this game is to identify and eliminate your ennemies. At the beginning, the four players receive one card. It will determine which team you are part of (Blue Ying Yang or Red Ying Yang). Players should keep theirs secret. At your turn, you had to play a card : - hit someone (10 pts, 20 pts, 30 pts) - heal someone - protect someone - identify someone You can't heal or protect yourself. When someone has been hit for an amount of more than 101 pts, he must reveal his identity and he is dead.