Blackjack is a casino game that is played with a deck of 52 cards. The player starts by selecting two cards to be turned over. The number on the face of the first card is added to the number on the face of the second card, and this number is then used as the player’s hand. The objective of the game is to either score 21 points, or more points than the dealer.
Blackjack can be played either with a single deck, or with a double deck. In blackjack with a single deck, each card has a value between 1 and 10. In blackjack with a double deck, each card has two values (1 and 11, 2 and 10, 3 and 9, etc.), making it more complicated to score points.