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