The game is based on Black Jack idea - collect 4 cards with Black Jack (BJ) Sum = 21. You and your opponent receive 4 cards from the deck. Both players want to receive the BJ Sum equal to 21 on his 4 cards. You may discard any card at your hand. Then choose some card from the deck (4 subdecks). The new chosen card comes to your hand and replaces the discarded card. Then, the opponent's turn. The player, who gets BJ Sum = 21 wins the set. If you win, you go to the next level with hot sex show.