Double Stacks Slot Review

Double Stacks is a slot game by Netent released in September 2018. You can definitely class this game as a classic slot; Netent have really gone back to basics with this 5 reel, 3 row, and 10 fixed bet lines slot machine – and we love it!


double stacks slot review all gambling sitesDouble Stacks is bright and radiant Las Vegas classic. From a visual stand point, this game reminds a lot of Twin Spin slot (also another Netent classic).

For this game, you have the ‘usual’ classic slot icons which include cherries, bars, watermelons and diamonds, but where older slots may lack those all crucial in game features, Double Stacks slot well and truly delivers. But more about those in a moment.     

How To Play Double Stacks Slot

To get started, you’ll need to find a casino offering the game, but since this is a Netent slot game, it won’t be hard to find. There are some suggestions where you can play below, either for real money or for free. 

Double Stacks has a fair few in game features to keep things fun and moving, these include Wild Substitutions, Scatters, Free Spins feature (and re spins feature!) and a Double Stacks feature. We explain how they will help you during gameplay below:

Double Stacks: Game Features

Wild Substitutions

The Wild symbol is hard to miss as it’s a bright gold and purple star with the word ‘Wild’ blazing across it. Wilds are a simple feature to understand and a feature you will come to love. They basically substitute for all other icons on the grid, except for Scatter symbols.  Wild symbols therefore can complete your betting lines to give you a helping hand to deliver extra wins.

Double Stacks Feature

The Double Stack feature is also easy to understand is a quite a valuable feature to land as it will double value of a symbol. So, as an example, if an entire reel is covered by one of the same top four paying symbols, the icons will double, with these places now counting for two instead of one.

Double Stacks Free Spins Feature

As we mentioned there is a free spins feature within the Double Stacks slot game much to everyone’s delight. It’s a really valuable feature to trigger as well, because as you have probably guessed - a Free Spins Bonus Round on Double Stacks is also totally possible too!

If you land three or more Scatters within the main game, then the Double Stacks Free Spins Bonus Round will activate. The amount of free spins you received depends on how many Scatter symbols you initially got:

  • 3 Scatter symbols: 5 free spins
  • 4 Scatter symbols: 15 free spins
  • 5 Scatter symbols: 30 free spins!

Retrigger Free Spins

Just when you thought it couldn’t get better – it does! If you land two or more Scatter symbols in the same spin during the Free Spins feature (anywhere on the reels), this will then retrigger more free spins. Like before, how many free spins you get all depend on how many extra Scatters fell in the previous feature:

  • 2 Scatter symbols : 2 more free spins
  • 3 Scatter symbols:  5 more free spins
  • 4 Scatter symbols: 15 more free spins
  • 5 Scatter symbols:  30 more free spins
double stacks slot screenshot wild

What is The RTP %, Variance & Maximum Win on Double Stacks Slot?

Double Stacks slot boasts an Rtp % of 96.10% which is pretty standard for any Netent slot game. It’s considered a Medium variance slot. There’s up to 1,000 times your stake to be won on every spin/free spin as well. This can be achieved by filling the reels with the Double Diamond symbols or using the Wild and Diamond symbol in the Free Spins feature. Roughly translated - on a single bet line, you can reach up to 10,000 coins which would net you a massive £20,000 win!

Betting Limits

Double Stacks slot has bet levels which range between 1 and 10 and therefore can be played from 10p up to £200 on mobiles, tablets or main desktop format. Neither version is a let-down, the mobile format looks perfect on the small screen and it’s easier to play on touch screen/smaller devices.

Summary: Who will enjoy playing this slot?

Anyone who loves a nostalgic game which is  easy to play will absolutely adore this game. It’s simple but fun to play. It’s what we call a proper slot machine! There are no distractions or storylines with this game, it’s classic and we think it was about time Netent went back to basics – the iGaming world needs more “modern” classics! 

If you love games like Twin Spin, Starburst, Swipe & Roll and the like, then this game is for you! To give the game a try, you can play Double Stacks Slot for free or real money at our safe and reliable UK Gambling Commission licensed casinos below. 

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