Double Stacks slot NetEnt

Double Stacks Slot Review - Play Free Demo

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Double Stacks

Free Slots
Android, Desktop, iOS, Mobile, Tablet
Max win: 2000000x
Min bet: $0.1
Max bet: $200
Reel: 5
Lines: 3
Release year: 2018
Game Technology: HTML5
CasinoMentor Score
Quick verdict
Play Double Stacks for free with no download, no registration. Read the game’s data review carefully before playing for real money. Please enjoy and win big later at our real money online casinos now!
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Double Stacks Slot in Demo Mode

Among these popular products, it is inevitable to talk about the Double Stacks slot game. NetEnt studios have truly made a song and dance about its long-time history, especially thanks to its well-packed and high-value entertainment gaming products. This is a good old fruit-themed slot game that has melted worldwide players’ hearts due to its cuteness and colorful classic style.

Welcome, all gambling enthusiasts to the casino game universe of CasinoMentor! What you can make sure of is you will not be bothered by any spam emails nor notifications, and you can play all your favorite casino games without worrying about paying any charge, creating a new account, nor signing on the web. Imagine how exciting it will be when you can run all the games smoothly and superbly on a user-friendly interface of any device anytime and anywhere you want.

Having been an old but gold slot title of the monster gaming developer since 2018, this online slot machine was upgraded and integrated with the latest technology advancement on a frequent basis. Thanks to that, nowadays, players of all corners of the world can access this slot machine without any effort, just by clicking the Double Stacks demo slot play at the top page.

In this play version, these enthusiasts will perfectly be assured that they can enjoy their greatest gambling experience without making any fluctuations in their bankroll.

RTP, Variance & Technical Data

To master a slot game from the get-go, always remember to pay attention to the technical information of it. A newbie may get into trouble and overwhelmed when first coming to the gambling universe, whereas an experienced spinner knows his fastest way to victory is to understand it well. Let’s go through everything below:

RTP and Variance

This classic-themed slot game can be a good choice for gambling players as its payout to players each time the slot machine stops spinning is relatively sweet. 96.1% is a bit higher than the industry’s average theoretical Return to Players of 96%. Thus, for those who want to dig their teeth into slot games, this NetEnt slot is a delicious cake. For example, with a stake of $1000, you can expect the slot machine online to payout $961 if you win a spin.

Moreover, the high variance is both a good chance and a challenge for spinners. If you are a big win predator, what you can make sure about the high volatility is it will give you an incredibly enormous award. However, it is not a smart option for hustle players or those who have a limited budget as this level of volatility may have a grand impact on the fluctuations of your balance.


In terms of paylines or winning lines, this amazing slot game offers a number of 10, which can be considered a bit limited. In this case, the best recommendation for you is to invest as much as you can afford. Therefore, the percentage of winning will be improved significantly.

Bet Range

To make it possible for all players to play this fruit theme slot, the best range of this appealing slot game has 10 levels. The required bet to be placed is at least 0.1 and the highest one is 200. Opt for the most suitable one that fits your bankroll to accumulate more gambling entertainment and your winning target as well.

Highest Payout

This slot has a maximum win of 1000x your stake. Thanks to this, players can expect to win an interesting amount of money. This can be a big plus for this classic themed slot game to attract more and more gamblers.

Get on the Train

A wise gambler will never let the game’s rules aside as he knows that understanding a game plays an important role to make the way to winning shorter. Go through everything below to know how this slot game works and how to master it in the fastest way.

When coming to play Double Stacks, you can easily find a wrench symbol at the bottom left of the screen. When clicking this symbol, a table of 3 selections will be shown. Tick off the quick spin if you want to try this slot game at a faster pace. Should you wish to change the actual screen into the introduction one, tick off the second selection. The last one will allow you to make the spacebar into the spin button instead of clicking the one on the screen all the time.

Should you want to enjoy this vintage slot game without any sound, click the speaker icon to turn it off. You can certainly turn it on when you want to.

Especially, this slot free play offers the “AutoPlay” mode, which totally lets you activate the automatic play feature with the selected number of spins.

Next to the wrench icon in the “?” icon where you can find all relevant information about the game rules, the paytable, the symbol values, etc. In this review, I will reveal a piece of important detail that you can make use of. 

Before starting to enjoy the game, choose the stake that suits you best. A worthy note is this fruit-themed slot game presents a classic machine slot. You will have to match three or more symbols across one amongst ten bet lines to win. A lot of bonus features that can make your gambling expedition more exciting are waiting to be discovered. 

In-Game Bonus Features

Should you make use of the potential bonus features in the Double Stacks slot free play, you can boost your chances of winning. Take a closer look at this amazing part before start your gambling journey ahead.

  • Wilds: This feature will complete your winning combos. It substitutes for other paying symbols, apart from the Scatters (disco ball), and you can find this feature anywhere on the reel. You can win somewhere between 2x and 90x your stake with this wild symbol.
  • Stacked: When the four highest paying symbols are displayed on the reel, this interesting feature can be activated. Thanks to this feature, players can expect to have a significant chance of landing a big win.
  • Double Stacks Feature: Once the reel stops and there are five one-of-a-kind symbols, you can have every symbol doubled. Then, those symbols will count as two instead of one when the wins are in the calculation process. You can totally pocket a win with multipliers of many times your stake.
  • Free Spins: To trigger the free spins bonus round, all you have to do is collecting scatter symbols. Over two scatters will give you more additional free spins. In more detail, If 2 scatters are collected, +2 free spins will be awarded. In case the number of scatters is 3, 4, 5, you can unlock +5, +15, +30 free spins respectively. When this bonus happens, Wild symbols can appear as stacked reels.

Theme and Graphics

When first entering the world of this slot, players can be impressed by the classic theme dominated by the 80s soundtracks, along with a dark background illuminated by the flashes of neon lights. Classic designed symbols including diamonds, bells, cherries, watermelons, bar panels, etc are silhouetted against the background and the layout of 5 reels and 3 rows. All of them appear in front of our eyes as if it could make players step back to somewhere in the past. 

Moreover, the two primary color tones of this slot game are purple and yellow. These two colors really make this free slot game a harmonious combination that grabs all attention of players at the first sight.

Although the 3-dimension technology is not used to design this NetEnt’s game, players cannot still take their eyes off the Double Stacks slot title due to its HD visuals and colorful graphics.

If you are the type of person who goes crazy about the vintage vibe, is there any reason left for you to enjoy this slot game?

Expert Verdict

Double Stacks is worth a good old slot game from the giant gaming provider, NetEnt, not only thanks for its simplicity but also the retro breath mixed with a bit modern style. Hit or miss? I believe that the most simple fruit machine spinners will certainly say “Yes”. The generous and appealing awards offered by this slot game are truly a fortune that you can totally take. Besides, the exceptional graphics and stunning sounds succeeded in making this game out of the crowd and unmistakable.

Author Guarantor: Immanuel Alston
Last updated: 22 July 2022

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Game information

Game Type
Free Slots
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Available on
Android, Desktop, iOS, Mobile, Tablet
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Frequently asked questions

How many fixed paylines does Double Stacks slot have?
Double Stacks slot has 10 fixed paylines which can be won both ways. You can take advantage of this to increase your chances of winning.
How many spins can I take with autoplay?
You can choose from 10, 25, 50, 100, 250, 500, 750 or 1,000 spins. Depending on the slots that you choose, please check your preferred slot for autoplay options.
How to win the slot game?
Like most other games on the market, a winning combo consists of 3+ (Reel) identical symbols lined up. However, your most significant chance of getting a fortune would be to reach any bonus features such as Scatter and Wild symbols. One of the best ways is to bet wisely, which is to bet small enough you don't break the bank but big enough to get a large amount of spin.
How many betways does the Double Stacks slot have?
Double Stacks slot have 10.
How quickly can I claim wins from the Double Stacks slot machine?
Withdrawals are depended on the casino you play at. Here’s a list of the fastest-paying online casinos to help you find one that will let you quickly withdraw your Double Stacks online slot winnings!

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Read our educational articles to get a better understanding of game rules, odds of winnings, as well as other aspects of online gambling.