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Multiplayer Blackjack

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About the game
Multiplayer Blackjack is a game for Casino Gaming Platform, which allows users to play Blackjack against other humans. This game is completely risk free for the casino, because players wins are paid from other players losses, while the house keeps a fee from each game.

Vue.js, Laravel Mix, Web3, PHP, MySQL


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How to play

Game rooms
A user can join an existing or create their own game room by specifying its name, bet size and number of players. Upon creating a game room the user enters it automatically and can leave at any time when there is no game in progress. To prevent abuse users can not have more than 2 rooms open at the same time (this setting can be adjusted by the casino administrator). Empty rooms are deleted automatically on a daily basis.
After joining a game room and placing a bet all players get 2 cards. The first card is dealt face up and other players can see it. Each player takes turn to either hit (get one or more cards) or stand. Each player has 15 seconds to complete their turn (the turn duration can be configured). When less than 5 seconds is left (this time threshold can be configured too) to complete the turn and the player chooses to hit they will get one card and automatically stand. Even if busted (going over 21 points) the player also needs to stand. This makes it more difficult for the next player to guess how many points the previous player got. The game end after all players stand. The winner (the one who gets more points without going over 21) gets the pot size (all players bets) minus the house fee. If several players get equal points they share the pot size. When someone is dealt blackjack (an ace and a ten-value card) the game ends immediately. If all players are busted (get more than 21 points) no one wins and the house keeps all bets.


Provably fair Just like any other game multiplayer blackjack is also provably fair and each player can verify it in the games history to make sure the house doesn’t favor any particular player.

Game settings

A casino administrator can:
  • Set min and max bet amount for creating a new game room
  • Set house fee
  • Set player turn duration

Demo environment

Please click on the Demo link on the left panel to play this game and test the application. You can use the following credentials to check the additional features:

Username: [email protected]
Password: testme

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