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Joker Stacks Slot Review

Joker Stacks is an intriguing slot machine from iSoftBet, with an interesting structure of four rows, but only on reels 2 and 4, while the remaining three reels only have three rows. You can win up to 15 free spins whenever three bonus symbols appear at any position on reels 1, 3, and 5. Wild jokers are both sticky and stacked, which is something you don’t see every day.

Joker Stacks in Brief
Software: isoftbet
Type: Video Slot
Reels: 5
Paylines: 15
Total Coins: 15
Coins Range: 0.01 – 1.00
RTP: 96.6%
Jackpot: 2250
Bonus Round Yes
Free Spins/Multiplier: 15 / No
Why Joker Stacks? Enjoy randomly expanded and stacked wilds, sticky stacked wild cards and free spins, possibly all at once at the good old iSoftBet slot machine Joker Stacks.
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Where to play Joker Stacks?

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£333 +50 Free Spins T&C Apply +18
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Play Joker Stacks for Free & Review

The first thing that comes to your mind probably is ‘Oh no, yet another Joker themed slot machine.’ If that’s the case, you are horribly wrong. First of all, the game operates for over three years already and was such a great release that it still has millions of people playing it from all over the world on a regular basis.

One of the most important elements of a slot machine is the theoretical Return to Player. Everything above the 95% threshold is considered decent nowadays, and this is why Joker Stacks is still popular – it holds a 96.6% RTP!

If that’s not enough of a reason to play the game, keep reading to find out what the experts have to say.

The Best Online Casinos for Playing Joker Stacks

Of course, you’ll start by playing a few spins for free, spending demo credits awarded by the casino each time you load the game. However, in a game with such a great RTP, it is hard to resist playing for real cash. We recommend sticking to the free version until you feel comfortable enough with the machine and all of its features. At least stay in the ‘Fun Zone’ long enough to see each special feature once.

On the other hand, you can play for real right off the bat, just make sure that you’re doing so at a trustworthy website. We have compiled a list of the best casinos out there, where you can play Joker Stacks for real cash and claim multiple bonuses along the way.

Joker Stacks Topic

Unlike some other Joker themed machines, Joker Stacks does not portray a specific event or a royalty in the past. Instead, you’ll hope to see as many Jokers as possible and that they appear across multiple rows and reels (other games use it as a ‘feature-stopper’ and similar).

The one thing it has in common with other Joker themed slots is the colourful background covered in different shades of purple. You’ll see some elements of the old-school slots, such as sevens, fruits, bells, and more.

How to Play Joker Stacks

Playing the is not that complicated, but some knowledge will come in handy, especially when playing for real money. First of all, you need to understand how the structure in front of you works. There are four rows, but only on reels 2 and 4. The remaining three have the standard 3×5 formation. You’ll see why iSoftBet decided to implement such a structure in a moment, but let’s look at the bets now.

There are fifteen paylines, which are not optional this time, but you can change the coin value to get to the desired total stake. There is one coin on each line, meaning that whatever coin value you pick, you’ll pay x15 of that to roll once. The minimum is 0.01, while the maximum is 1.00 per line, which is equal to 0.15 and 15.00 total stake respectively.

Symbols and Bonus Features in Joker Stacks

There are only seven regular and two special symbols in the game. You might be surprised, but iSoftBet decided to use fruits, horseshoes, bells, and lucky sevens as regular signs. The three fruits (a cherry, lemon, and watermelon) are all worth the same and the least overall, while the red seven brings the most value at x150 for five adjacent of a kind.

Joker presents the wild card and substitutes for regulars. The Stacked Wilds feature is activated normally at the beginning of a regular spin. The Joker then completely covers reels 1, 2, or 3, increasing your odds of combining huge winnings by large.

This is why iSoftBet made such a design of the machine because special symbols appear only on the reels without the fourth row. The regulars appear on all five columns, allowing an increased RTP of 96.6%.

Whenever three bonus symbols land on the reels in the same round, you will receive 15 free spins. During the free spins, the Sticky Stacked Wild Jokers feature can be activated as well – If you manage to land six wilds throughout the free spins feature, an entire reel will turn wild and stay that way until the feature ends. Besides getting two more free spins, you’ll get the chance to turn reels 3 and 5 wild as well by collecting 10 more wilds for each reel.

Joker Stacks Play for Free

As you can see, a lot is going on in the game, and to avoid being stressed and overwhelmed by all of it we recommend starting off with the free mode. Play with demo credits for as long as you like before switching to the real ones.


Once you have made the decision to deposit and spin for real, which is definitely more fun, you need to look for good bonus deals and legit online casinos. Luckily, we already have a list of a few casinos that are 3 in 1 – generous, legit, popular: Spinit, 888Casino, Viks Casino, Thrill, Dunder Casino, GUTs Casino, Rizk Casino and Mr Play Casino.

Best Casinos To Play Joker Stacks

8.8/10 200 Free Spins T&C Apply +18
8.1/10 £333 +50 Free Spins T&C Apply +18
8.5/10 £100 +50 spins T&C Apply +18
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