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Casino War Guide

Casino war is perhaps the casino’s simplest game. It is reminiscent of a children’s card game where each player pits one card against the other. The card with the highest value wins. Cards are valued according to their face values, with a two the lowest and an ace the highest. It is usually played with one to six standard 52-card decks and online, the decks are shuffled after every hand.

How to Play Casino War

Both the dealer and player are dealt a card and whoever receives the highest value card wins the hand. The suits of the cards do not matter. The player receives even money on her wager if she wins.

Ties and Going to War

If the dealer and player both receive cards of the same value, the player can choose to surrender and forfeit half of her bet, ending the hand, or “go to war” with the dealer. In choosing to go to war against the dealer, the player must double her bet. The dealer then “burns” three cards and deals another card each to the player and dealer.

If the player’s second card is equal to or higher than the dealer’s, the player wins the game. The player will win even money on the original bet amount only (not the doubled bet). If the dealer’s second card wins, the player loses both the initial bet and the raise.

Tie Side Bet

Players may also make an additional side bet that wins if the hand dealt is a tie. The side bet commonly pays 10:1, but this vastly undervalues the chance of getting a tie and is clearly a "sucker bet” designed to increase the house edge. For example, in a single deck game, the chance of being dealt the same card as the dealer is 3 in 51, or 1 in 17.

Double Tie Bonus

Some casinos offer a bonus where the player wins even money on the both the original bet and the raise if the war results in a second tie. Microgaming casinos offer this bonus online.

Casino War house edge and optimal strategy

Apart from the tie side bet, the house edge on Casino War is based on the player having to concede half their bet on ties, or double their bet to go to war and only receive even money on the original bet if they win. Depending on the number of decks used, the house edge when always going to war is just under 3%, while always surrendering raises the house edge to around 3.7%. The difference is due to the player winning the war if it is also a tie.

The optimal strategy to minimize losses in casino war is dead simple. You only need to know a couple of things:

  • Always go to war on a tie.
  • Never play the tie side bet.
  • If possible play a game that offers the double tie bonus.

Playing Casino War online

Casino War is very common at online casinos. As we stated above, probably the best casinos to play this game at are powered by Microgaming due to the double tie bonus which reduces the house edge. See below for some of the best casino bonuses available that allow casino war play.

Top bonuses for playing Casino War online

RankCasinoBonus%WagerCashCodeClaim
1iNetBet Casino80us$200100%60xBANYWGPlay
2Bovada Casino90us$250100%80xBGAMES250Play
3Lincoln Casino70us$1000100%114xBPlay
4Liberty Slots Casino70us$777100%114xBPlay
5Uptown Aces Casino80us$750150%300xBTABLEACES1Play
6Slotter Casino50us$500100%400xBSLOTTER1Play
7Buzzluck Casino80us$868100%500xBBUZZLUCKPlay
8All Star Slots90us$1000100%600xBALLSTAR2Play
9High Noon Casino90us$500 €500 £500100%600xBHIGHNOON100Play

Indicates that the casino bonus is exclusive to Casino Listings.

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