Europa Jacks or Better - Version 6.1 Europa Jacks or Better Poker - download and play. No installation needed. The object of Jacks or Better is to obtain a five-card poker hand that contains a winning combination (see the paytable on the machine). The better your hand, the bigger the payout. You choose how many and which of your cards are to be replaced. You may replace your cards only once.After each round, used cards are returned to the decks and the decks are shuffled.To play the game:Choose the value of the coins you wish to wager each round, by clicking on the + and - buttons on the lower left of the screen.Click Bet One or Bet Max to select the number of coins you wish to wager. Each click on the Bet One button adds another coin to the bet. Clicking Bet Max increases your bet to the maximum - that is, five coins - and deals the cards automatically. You can also click the appropriate column on the winnings table to specify your bet size.