Double Stacks Slot Machine

The slot game market can be very saturated with a lot of overwhelming and complicated games. On the other hand, classic slot games sometimes miss out on fantastic bonus features.

Double Stacks Slots is a 5-reel video slot game with 10 paylines, 3 rows and a fruit theme. Powered by NetEnt, this high-variance casino game has a 96.10% RTP. The bonus symbols and features include Golden Star Wilds, Glittering Scatters, Free Spins with Stacked Wilds, and Double Stacked Symbols.

Eager to win double the prizes for double the fun?

If classic slot games with modern features like wilds symbols, scatter symbols, and free spins round is your drift, then find out more in this Double Stacks Slot Review for March 2023.

Best Double Stacks Slot Sites

Play the game at the best casino sites. From our research, we have created a list of the Double Stacks Slot Sites and casino sites in March 2023:

  • MrQ

    MrQ Logo

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  • Wizard Slots

    Wizard Slots Logo
    500 FREE SPINS

    New Players Only, Min Deposit £10, £8 Max Win Per 10 Spins, Max Bonus Conversion Equal To Lifetime Deposits (Up To £250), 65X Wagering Requirements.

    Full T&C's Apply

  • PlayOJO Casino

    Play Ojo Logo

    First deposit only. 50 Free Spins on Book of Dead slot. Free Spin valued at £0.10. OJO’s Rewards and Game Play policy applies.

    Full T&C's Apply

  • Unibet Slots

    Unibet Slots Logo
    DEPOSIT £10 GET £40

    18+ New Customers only. Minimum Deposit £10 and Get £40 in Casino Bonus Funds. Debit card only. Up to 50x wagering, game contributions vary, max. stake applies, new customers must opt in and claim offer within 24 hours and use within 30 days.

    Full T&C's Apply

  • Playzee

    Playzee Logo
    100% UP TO £300 BONUS + 100 ZEE SPINS

    18+. New players only. Min Deposit £20 Max Bonus Bet £5 Winnings from spins capped at £50 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply.

    Full T&C's Apply

  • WatchMySpin

    WatchMySpin Logo
    UP TO £100 + FREE SPINS

    New players only. Wagering occurs from real balance first. 50x wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 days from receipt. Max conversion: 3 times the bonus amount. Withdrawal requests voids all active/pending bonuses. Excluded Skrill deposits.

    Full T&C's Apply

  • Slots Magic

    Slots Magic Logo
    UP TO £50 + 50 FREE SPINS

    First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Rich Wilde and the Book of Dead, Spin Value: £0.10, Max Extra Spins:50. WR of 30x Deposit + Bonus amount and 60x Extra Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the extra spin winnings and bonus amount or £5 (lowest amount applies). Extra Spins must be used before deposited funds. Bonus Policy Applies.

    Full T&C's Apply

  • Pots of Luck

    Pots of Luck Logo
    UP TO £200

    New players only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 days from receipt. Max conversion: 3 times the bonus amount. Withdrawal requests voids all active/pending bonuses. Excluded Skrill deposits.

    Full T&C's Apply

  • 888 Casino

    888 Casino Logo

    No Deposit Offer: New players with valid mobile number only • Claim in 48 hrs • 14 day expiry • Valid for selected games • Pre-1st deposit only: FS voucher winnings is uncapped, bonus wins & max redeemable amount for non-funded players capped at £100, excl. JP wins • Wager Bonus x1 – req. contributions vary by game • Bonus expires in 90 days • Deposit Offer: 1st time depositor at 888casino only • £20 min deposit • Claim in 48 hrs • Valid for selected games • Bonus wins capped at £500, excl. JP wins • Pre-1st deposit only: Bonus wins & max redeemable amount capped at £100, excl. JP wins • 30x wagering – req. vary by game • Bonus expires in 90 days • Payment method & country restrictions apply • Withdrawal terms, No Deposit Offer terms & Deposit Bonus Offer terms apply.

    Full T&C's Apply

  • MFortune Slots

    mFortunte Slots Logo

    18+. New players only. 20x wagering requirement. Expires after 7 days. Max withdrawal from bonus winnings £50. T&Cs apply,

    Full T&C's Apply

  • Slotzo

    Slotzo Logo
    UP TO £150 + 50 EXTRA SPINS

    18+. New Players Only. Min. deposit £20. UK players. Max. bonus 1st deposit £50 and 2nd deposit £100. Max wins from spins £100. 35x wagering applies, within 21 days. 20 spins on 1st deposit and 30 spins on 2nd deposit. Spins available on specific games. Spins expire after 24 hours.

    Full T&C's Apply

About Double Stacks Slot Game

Double Stack Slot is a video slot game with five reels and three rows. The game has ten fixed and active paylines. It was released in September 2018.

Double Stacks is a colourful game filled with many features that can help a player win big. These features include wilds, scatters, and free spins.

Double Stacks game is brimming with different shades and tones. The colour combinations of the game are easy on the eyes and help in playing the game longer.

The background of the game is a blur of black and magenta. The borders of the reels give off a metallic feel in deep purple.

The logo of the game is displayed at the upper left corner of the reels. The control panel of the Double Stack Slot game is placed at the bottom of the screen.

The control panel shares the same colour story as the rest of the screen. The background of the control panel is black with metallic purple accents.

The control panel holds all the necessary buttons to play the game. It shows the bet level, the current coin value, and the total coins won.

The Autoplay button, Max Bet button, and the round Spin button are found in the middle of the control panel.

At the top of the reels, the maximum payouts for the four highest symbols in the game are displayed.

The Diamond can pay up to 10,000 while the Red 7 can pay up to 5,000.  The Single Bar can pay up to 2,500, and the Golden Bell has a maximum payout of 1,000.

The symbols in the game are classic slot icons. This includes different fruits, a 7, bells, diamonds, and bars. 

The symbols are designed in the same vibrant colours. A variety of funky pop music plays in the background along with the clicking sound of the turning reels.

Whenever a winning combination lands on the Double Stack Slot reels, the winning tiles light up, and a victorious tune plays. The total winnings for the spin flashes in the middle of the screen.

Slot Info

Double Stacks SlotsAttributes

Casino Game:

Double Stacks Slot Game


10 line slots games


5-reel slot games


NetEnt software provider

Minimum Bet:


Max Bet:



High Variance Slots



Slot Theme: 


Bonus Features:

Double Stacked Feature, Golden Star Wild, Glittering Scatter, Free Spins with Stacked Wilds

Max Win:


Free Spins:


Release Date:


How to Play Double Stacks Slots Online

To start doubling wins, there are several things a player has to set. These are the coin value and bet levels in the game.

  1. To set the coin value, a player has to click on either the + or buttons under the coin level in the control panel. The lowest coin value in Double Stacks Slot is 0.01. The highest coin value is 2.
  2. The next thing to set is the bet level. The bet level is the number of coins to be placed on each payline. Double Stacks has ten fixed paylines, and each payline can hold at least one coin. The most number of coins a payline can hold is 10.
  3. After setting the coin value and the bet level, all that is left to do is to turn the reels. Click on the round Spin button in the middle of the control panel to start turning the reels.

If a player wants to play Double Stacks slot at the highest possible stakes, they can click on the Max Bet option as a shortcut. A player can also turn the reels without interruption for several turns by clicking on the Autoplay option.

Double Stacks Slot is playable on smartphones and tablets. 

It is compatible with both Android and Apple phones.

Double Stacks Slot is played on a website, so there is no application to be downloaded.

Interactive Features

Double Stacks has several special features that can help players increase their wins. The base game has a feature that involves four high-paying symbols.

This game also has a wild, scatter, and bonus game.

Double Stacks Feature

During the base game, the four high-paying symbols can appear stacked on the reels. If this happens, each of the displayed symbols is doubled.

Instead of three symbols, there are six. This feature helps complete more winning combinations on the reels.

Golden Star Wild

The Wild of the game is the gold star with the word Wild written across. The wild can substitute for other symbols in the game to complete winning combinations.

The only symbol the Wild cannot substitute for is the Double Stack Slot scatter.

Autoplay Option

The Autoplay option lets a player spin the Double Stack Slot reels for several turns without interruption.

What Symbol Triggers the Double Stacks Slot Bonus Free Spins?

Double Stacks Slot gives its players a bonus spin round with free spins.

Glittering Scatter

The Double Stack Slot scatter symbol of the game is a colourful, glittering circle with the word Scatter written across.

Landing at least three scatters on the Double Stack Slot reels activates the free spins feature.

Three scatter symbols award five free spins, four scatters award 15 free spins, and five scatters award 30 free spins.

Double Stacks Free Spins

During the free spins round, both the high-paying symbols and low-paying symbols can be stacked on the reels. The wild symbols can also be stacked during the free spins round.

Landing two to five scatters on the reels can award somewhere between two to 30 more free spins.

Paylines and Stakes

To win at Double Stakes, a player has to line up a number of matching symbols across a payline. The high-paying symbols in the game are non-food items.

On the other hand, all the fruit icons in the game are low-paying. The symbols that have a high payout rate include a golden tolling bell and a single bar. It also includes a red seven and a diamond.

Lower-paying icons in Double Stakes Slot includes a sliced watermelon and whole lemon. There is also plum and a cherry on the reels.

Winning combinations in the game start at landing a three-of-a-kind on the reels. A player can land up to ten matching symbols in the reels to win a reward.

Here are the pays of each symbol in the game.

  • Sliced Watermelon: x3=5, x4=10, x5=20, x6=30, x7=40, x8=50, x9=60
  • Lemon: x3=5, x4=10, x5=20, x6=30, x7=40, x8=50, x9=60
  • Plum: x3=5, x4=10, x5=20, x6=30, x7=40, x8=50, x9=60
  • Cherry: x3=5, x4=10, x5=20, x6=30, x7=40, x8=50, x9=60
  • Golden Bell: x3=5, x4=10, x5=20, x6=30, x7=50, x8=60, x9=80, x10=100
  • Single Bar: x3=10, x4=15, x5=30, x6=60, x7=70, x8=90, x9=120, x10=250
  • Red 7: x3=10, x4=20, x5=40, x6=80, x7=100, x8=150, x9=175, x10=500
  • Diamond: x3=15, x4=30, x5=45, x6=90, x7=120, x8=175, x9=250, x10=1000

Playing at maximum bet wins a player the highest possible jackpot.

If a player is able to land a full screen of diamonds or a combination of diamonds and wild symbols, the player is awarded the maximum win for a spin of x1000.

Double Stacks Slot Game Software

Double Stacks slot is powered by NetEnt. NetEnt produces games that incorporate realistic graphics that make it interesting.

The software is also web-based which makes it more accessible to online players.

What is the Double Stacks Slot RTP?

The RTP for Double Stacks slots is 96.1%.  This is higher than the current average rate in the market.

Slot Volatility

Double Stacks Slot is a high variance game. This means that a player can expect to land big wins seldomly throughout the game.


Double Stacks has a smooth gameplay experience coupled with fluid animations even during long plays. The graphic design of the game is also excellent.

The free spins feature often triggers in the game, and the jackpot of x1000 dramatically adds to the appeal of the game. Other than these things, the game can be too simple to be memorable.

Including a progressive jackpot can make the game more interesting.

In conclusion to this Double Stacks Slots Review for March 2023, this game is an excellent game to try but not one that can effectively invite a player to play it twice.

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James has almost a decade of experience in the iGaming Industry. Winning several awards including "UK Casino Affiliate of the Year" he uses his experience to research the UK market to source the best bingo welcome bonuses, highest casino slots real money payouts and free spins sign up offers.