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Denis Anipchenko
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Stacked images of classic icons drop out at the reels of the Double Stacks video slot, developed by NetEnt company: fruits, berries, bells and etc. However, don't you think the famous developer has released a banal model with traditional rules. We have to deal with an unusual game, provided with unique features. All of them are carefully described in the following review by Casinoz.club. 

Where to Play Double Stacks slot?

Play Free Demo Double Stacks slot

Free demo version of this slot machine is available at Casinoz.club. To risk real money on the Double Stacks video slot, you can go to numerous online casinos powered by NetEnt software.

Please write responses about the Double Stacks in comments and don't forget to score the game.

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How to Play Double Stacks slot machine

The Double Stacks online slot machine has five reels. Originally, there are fifteen symbols at the screen, but each of them can become double in special situations. This means, up to thirty symbols can be imaged at the screen and each of them is able to form combinations.

Ten lines are always active on default. It is possible to stake up to ten coins from one cent to two euro per line (from twenty cents to two hundred euro per spin).

The slot is provided with stacked symbols, Wilds, Scatters, jackpots of fixed size, free spins with unusual features and other interesting options of the gameplay.

Paid combinations are formed of three-ten same elements. They have to be situated next to each other at same active line, starting from the first left reel.

Wins are calculated by special indexes from x5 to x1000. They are multiplied by the bet per line. A gambling feature is not suggested.

Please read about special symbols and prize features of the Double Stacks below in the article.

Double Stacks Symbols, Wild, Scatter

The developers have imaged traditional symbols at the reels of this game: fruits, berries, BARs, sevens, bells and diamonds. All "fruit-and-berry" icons are stacked.

Special symbols are following:

  1. Wild replaces other ordinary elements in combinations when necessary.
  2. Scatter triggers free spins when at least three such symbols appear at any cells.

Detailed information about all symbols can be found in the pay table and Help section.

Double Stacks Bonus games

Let's discuss bonus options of this slot:

  • Double Stacks Feature – when the whole reel is loaded by same icons, they all get double. Each element is accounted in formed combinations.
  • Free Spins – three, four or five Scatters trigger five, fifteen or thirty free spins on the casino's expense accordingly. An amount of the bet remains the same. Wilds form vertical stacks. The feature can be extended even by two Scatters at the screen. They bring tow extra spins. Three and more Scatters provide from five to thirty extra spins.

Bonus options are demonstrated in our video review of the Double Stacks at Casinoz.club.

Jackpots

NetEnt doesn't draw progressive amounts on the Double Stacks video slot, but it offers four fixed jackpots named Maximum Payouts here. We mean the prizes, which you can win if you fill all fifteen cells at the screen by double images of one of four highest symbols.

Wins by the bet of one euro per line are following:

  • Bells – one thousand euro;
  • BARs – two thousands euro and a half;
  • Sevens – five thousands euro;
  • Diamonds – ten thousands euro.

Amounts of jackpots are displayed above the reels in four special windows.

Comparison Double Stacks slot with analogues

Double Stacks Book of Ganesha Ammit Hellfire Lord of the Dunes
RTP 96.10 % 96.03 % 96 % 95.84 %
Volatility Middle High High High
Lines 10 10 20
Reels 5 5 5 5
Release date 24 September 2018 24 November 2025 26 January 2026 1 March 2024
Progressive jackpot
Scatters
Free Spins
Respins
Progressive multipliers
Jokers
Max payout 1000 5000 6000 1000
Bonus games
Gamble Feature

More NetEnt slot machines

Slot RTP Volatility Maxwin Release date
Ozzy Osbourne 96.67 % Middle 1000 21 November 2019
Reel Rush 2 96.58 % 6250 7 November 2019
When Pigs Fly! 97 % Low 1000 16 August 2018
Jack and the Beanstalk 96.28 % High 30000 12 November 2013
Ghost Pirates 95.28 % Middle 732 11 November 2013

Double Stacks Interface

Following elements are imaged at the control panel:

  • Bet – an amount of the bet in coins;
  • Level – select an amount of the bet in coins;
  • I – pay table;
  • Auto Play – switch to automatic mode;
  • Spin – play new spin;
  • Max Bet – place maximal bet;
  • Coin Value – select the coin value;
  • Coins – state of the balance in coins;
  • ? – Help section;
  • Cash – state of the balance in cash;
  • Bet – an amount of the bet in credits;
  • Win – an amount of the payoff.

It is possible to set up the sound, speed of the spins and other parameters at the left bottom corner. It is also possible to set limits for automatic game.

The Double Stacks is available in browser and don't need to be downloaded.

New NetEnt

Mobile Compatibility

Special version of the Double Stacks video slot has been developed for smartphones powered by iOS and Android. Mobile version has been adapted for touchscreens. Buttons and windows are located in different way, but rules remain the same.

Other games

Should You Play Double Stacks Slot for Real Money in Canada?

This is an interesting slot, which can be recommended to those who love original gaming features.

Pros:

  • Unusual gameplay;
  • Wilds and Scatters;
  • Free spins;
  • High maximal payouts;
  • Convenient interface.

Cons:

  • Banal topic;
  • Not the highest RTP.

Level of dispersion is below the average.

Denis Anipchenko
Denis Anipchenko
Editor-in-chief of Casinoz

Editor-in-chief of the multilingual Casinoz platform. A linguist by education, he came into the gambling industry from the offline side — before 2010, when land-based casinos in Ukraine were still legal, he worked his way up from an entry-level operational position to casino manager. He has been at Casinoz since 2010: first as an editor and review author, then editor-in-chief from 2014. Coordinates a team of authors, translators, and reviewers across all language markets of the platform.

Expert in:
  • casino operations
  • management
  • gambling analytics
  • RTP
  • volatility
  • regulation
  • trends
  • reviews
  • editorial
  • expertise
Facts checked Alex Vasilev Scientific editor and fact checker at Casinoz

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Category Video slots
Manufacturer NetEnt
Min bet 0.10 $
Max bet 200 $
RTP 96.1%
Max multiplication 1000 : 1
Is free test available Yes
Mobile version Yes
Release date September 24, 2018
Progressive jackpot No
Reels number 5
Lines number 10
Wilds Yes
Scatter Yes
Gamble Feature No
Bonus games Double Stacks Feature
Volatility Middle
Respins No
Bet line 0,01 - 20