Zero36 BlackJack - Zero36 Mobile Casino Blackjack. Blackjack is played with between one and six standard decks of cards. This version of Blackjack is played with two standard decks of 52 playing cards that are shuffled before each game. The aim is to beat the Dealer's hand by either getting a better hand, without exceeding 21, or by the Dealer's hand going bust. In this version of Blackjack, you can only bet one hand at a time.