Anyone of you knows How to play blackjack? According to the site that I read a while ago that blackjack, also called twenty-one is one of the most popular casino card game in the world cool. Well, my brother is usually at the casino, so I asked him if he could teach me how to play it, I was just curious about this game, I really want to learn how to play blackjack, so I could share it to my friends who love card games.