Blackjack is a very popular game due to the fact that it is very easy to play. However, if you have not sat down to play it before, then you will obviously lack knowledge about Blackjack rules. However, do not worry as you can find out everything that you need to know below. How Blackjack is Played A standard deck of cards is used when playing blackjack, but with most varieties you will find that a number of standard decks are used.