It is a BlackJack of a card game. Blackjack is a relatively simple rule in card game, but it is a deep game. Please play. Rules of Blackjack. A is 1 or 11. J, Q, K1 is 10. Goal. Blackjack keeps the value of the card on hand so that it does not exceed 21, and brings it close to 21, If it is closer to 21 than the value of the dealer's card it will win. Game flow.