Double Stacks

Game Summary

  • Double Stacks is a 5-reel, 3-row, 10-line slot with the Double Stacks feature and Free Spins with stacked Wilds.
  • The game is played with 10 (fixed) bet lines, 1-10 bet levels and different coin values.
  • The bet level is set with the LEVEL selector .
  • The currency value is set with the CURRENCY VALUE selector .
  • COINS displays the number of coins available for betting.
  • Pressing AUTOPLAY will automatically play the game with the selected number of rounds.
  • The Wild symbol substitutes for all symbols except the Scatter symbol. The substitution always pays out the highest possible combination according to the paytable.
  • Winning combinations and payouts are made according to the Paytable.
  • MAX BET plays at the highest bet level and the current coin value. When playing at a lower bet level, you must click MAX BET twice to play the round at the selected coin value.
  • A line bet coin win is equal to the value shown in the Paytable multiplied by the bet level.
  • A bet line win in currency is equal to the win in coins multiplied by the coin value.
  • Only the highest win per bet line will be paid.
  • Bet line wins pay if they are in succession from the leftmost to the rightmost reel.
  • Simultaneous wins from different bet lines will be added.
  • Note : The following features may not be available in some casinos: Autoplay, Max Bet, Quick Spin, Quick Stop

Double Stacks Function

  • This feature is triggered when a reel stops and all the symbols it contains are of the same type.
  • When this feature is activated, all symbols on the reel count as two symbols when calculating the winnings for the current round.
  • Note: During the main game, only the 4 highest-paying symbols appear in clusters on the reels (three or more symbols in a column).
  • When the reels stop, prizes are evaluated and awarded according to the Paytable.

Free Spins Feature

  • 3 or more Scatter symbols anywhere on the reels in the main game trigger Free Spins.
    • 3 Scatter symbols = 5 Free Spins
    • 4 Scatter symbols = 15 Free Spins
    • 5 Scatter symbols = 30 Free Spins
  • During Free Spins, in addition to the 4 highest-paying symbols on the reels, Wild symbols appear on the reels or in clusters.
  • During Free Spins, 2 or more Scatter symbols anywhere on the reels award additional Free Spins as follows:
    • 2 Scatter symbols = 2 Free Spins
    • 3 Scatter symbols = 5 Free Spins
    • 4 Scatter symbols = 15 Free Spins
    • 5 Scatter symbols = 30 Free Spins
  • Free Spins are played at the same bet level and coin value as the round that triggered the Free Spins.
  • At the end of Free Spins, the total winnings from the Free Spins are added to the winnings from the round that activated the Free Spins.

Game Features

  • The following table shows all the buttons in the game and describes their functions.
Button Function
Click to start a game round at the current bet level and coin value.
Click to see the earnings table.
Click to view the game settings menu and select game options. See the game settings section below.
Click to mute game sounds or use the slider to adjust the volume.
Click here to see the rules of the game.
Click to view the AutoPlay settings menu and choose to play automatically. Choose the number of rounds to play in AutoPlay mode, or see Advanced Settings to configure AutoPlay options.

Game Settings Options

  • To access the game settings, click the wrench icon on the game panel.
  • Intro Screen . Turns the intro screen on or off.
  • Spacebar to rotate . Turns the spacebar function on or off.
  • Game History . Click to view your last game history.

Advanced Autoplay Settings

  • To set advanced autoplay settings, click AUTOPLAY and then Advanced Settings .
  • With any win . Stop autoplay when you win a round.
  • If the single win exceeds . Stops autoplay when the amount you've won equals or exceeds the amount you specify.
  • If the balance increases by . Stop auto-deposits if the balance increases by the amount you specify.
  • If the balance decreases by . Stop auto-debits If the balance decreases by the amount you specify.
  • If you win Free Spins . Stop autoplay when you win Free Spins.
  • Click Reset to restore all Stop Autoplay settings.

Note: When changing AutoPlay settings during a round or Free Spins, all settings will be implemented as soon as the round or game feature is completed.

Note: If you disconnect while playing a game, all AutoPlay settings will return to default when you reload the game.

Note: Some auto-start options are mandatory in some jurisdictions.

Additional information

  • The following game features and settings may be subject to the terms and conditions of the casino operator's website. For more information, please visit the Casino Operator's website:
    • The procedure used to manage unfinished game rounds.
    • The time after which inactive game sessions end.
  • In the event of a malfunction in the game hardware or software, all affected bets and payouts will be voided and all affected bets will be refunded.

Refund to player

  • The theoretical return to players of this game is 96.10%.

Last modification date: 9/17/2025