Instead of topping up your account with funds, you play the games using in-game currency. There are loads of social casinos that offer slots, but only a couple that have free blackjack games. There are loads of blackjack games online, but none offer a more immersive experience than live dealer blackjack. With a real dealer and bettors playing the game in real-time at a table, live dealer blackjack offers the most authentic gambling experience online.