Blackjack has several variations, which differ from each other in some points. Different variations have different house edge. European Blackjack and the house edge is 0.39%. Atlantic City Blackjack at Cryptologic casinos and the house edge is 0.49%. Atlantic City Blackjack with the house edge of 0.35%. Multi-Hand Blackjack at Microgaming casinos with the house edge of 0.63%. Vegas Strip Blackjack with the house edge of 0.34%. Vegas Downtown Blackjack with the house edge 0.38%. Double Exposure Blackjack with the house edge of 0.69%. Single Deck Blackjack at Harrods casino with the house edge of 0.058%. Blackjack Switch at Playtech casinos with the house edge of 0.17%. 

The main characteristics of European Blackjack are the following: two decks are used, the dealer stands on soft 17, you are allowed to double on 9 to 11 only, doubling after splitting isn’t allowed, resplitting is not allowed, it is allowed to draw to split aces, no surrender, no hole card (player loses total amount bet against dealer’s blackjack), Insurance not resolved until the end of hand, only one bet position.

Atlantic City Blackjack at Cryptologic casinos has the following features: 8 decks are used, the dealer stands on soft 17, the player may double on any first two cards, doubling after splitting is allowed, only one split is allowed, no surrender, the dealer checks for blackjack 

Atlantic City Blackjack has the following characteristics: 8 decks are used, the dealer stands on soft 17, doubling on any first two cards is allowed, resplitting to three hands is allowed, doubling after splitting is allowed, the dealer peeks for blackjack, late surrender is allowed, only one bet position.


Multi-Hand Blackjack at Microgaming casinos has the following features: 5 decks are used, the dealer stands on soft 17, doubling on 9 or 11 only is allowed, no doubling is allowed after splitting, resplitting isn’t allowed, the player may draw to split aces, no surrender, no hole card, insurance not resolved until end of hand, five bet positions.


Vegas Strip Blackjack has the following features: 4 decks are used, the dealer stands on soft 17, double on any first two cards, double after split is allowed, resplitting to three hands, the dealer peeks for blackjack, only one bet position. 


Vegas Downtown Blackjack is characterized by the following features: 2 decks are used, the dealer hits on soft 17, double on any first two cards, double after split is allowed, resplit to three hands, the dealer peeks for blackjack, one bet position. 


Double Exposure Blackjack has the following characteristics: both dealer cards are dealt face up, the dealer wins all ties except on blackjack, all player wins (including blackjack) pay 1 to 1, Blackjack tie pays 1 to 1, 8 decks are used, the dealer hits soft 17, the player may resplit to four hands, doubling on hard 9 to 11 only, one card to split aces, doubling after splitting is allowed. 

Single Deck Blackjack at Harrods casino has the following features: 1 deck is used, the dealer hits on soft 17, doubling on any first 2 cards, doubling after splitting is allowed, splitting once, the dealer checks for blackjack, one bet position.

Blackjack Switch at Playtech casinos has the following features: the dealer hits a soft 17, the player must make two bets of equal size, the cards will be dealt face up, the dealer will peek for blackjack with an ace or ten up, if the dealer has a blackjack all player hands will immediately lose, except a player blackjack will push, the player may switch the second card dealt to each hand, the player may double on any 2 cards, the player may double after a split, the player may split once, Blackjacks pay even money.

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