Wanna know why? Keep reading to know if the matter how many decks! Though some casinos still offer single-deck games, it’s mostly a facade meant to attract gullible players. In a bid to make it harder for players to count cards, most casinos today have moved towards multiple deck games. Although many a forum says this is not permitted.īut those days are behind us. To add icing on the cake, blackjack players discovered that counting cards increased the advantage towards the players. Most players at the time knew how easy it was to win at single-deck blackjack card games due to its low house edge. In the early days of casinos, single deck blackjack was the standard used by all casinos. Players stand a higher chance of winning in single-deck games due to a lower house advantage than on multi-deck games. At this stage, you should be wondering: Does the number of decks in Blackjack matters? And if so, is there a substantial difference? I’ll say yes, the number of decks in blackjack plays a significant role. If you recently started playing the game of blackjack, you might have noticed that most blackjack card games today are played on 4 or 6 decks of card, while a lesser percentage is played on a single deck.