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Joker Stacks Slot - Review, Free & Demo Play

Another impressive slot machine by iSoftBet, Joker Stacks was released on 18/01/2018. This is a classic fruit-themed slot that, however, stands out in terms of exclusive bonus perks. In this ultimate review, you will find everything you need to know about the slot’s mechanics, bonus features, RTP, and volatility.

Joker Stacks Free Play

Joker Stacks logo
iSoftBet Release Date: 18.01.2018
Rating by Joe Booth
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Joker Stacks
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Best Casinos to Play Joker Stacks for Real Money

Is it time to try out Joker Stacks for real money? Start with finding a reputable casino on our list of the best online venues. Besides, don’t forget to grab your welcome bonus after you register your personal account.

General information about Joker Stacks slot

Release Date:
Max. win:
Bonus game:
Free spins:
Scatter Symbol:
Wild symbol:
Symbol Stacked:
Jackpot Game:
Slot lines:
Slot reels:
Stakes range (€/£/$):
0.15 to 15
Slot Theme:

How to Play

Follow our short guide that will help you get started with Joker Stacks:

  • Launch the slot on your desktop or mobile device
  • Click the ‘i’ button below the reels to get all the needed info on the slot’s paytable and bonuses
  • Set the coin value and your starting bet below the reels
  • Click the triple bar icon in the lower-left corner to adjust the sounds
  • Click the circular arrow button and start the first round

Joker Stacks is a video slot with 5 reels, 4 rows, and a total of 15 paylines. Your total stake per round depends on your chosen coin value. The minimum bet you can place is €0.15, and the maximum is €15. The slot creates a lucrative possibility of stacking some of the reels with Wilds, thus increasing your prizes. We will explain how this works further in the review.

Joker Stacks RTP and Volatility

Joker Stacks has got an RTP rate of 96.61% and medium volatility.
The RTP and volatility of a slot machine are theoretical factors that demonstrate the possible payout you can get from your playing rounds, as well as the frequency of the wins. When it comes to Joker Stacks, its RTP is a bit higher than the accepted average, which is obviously a good sign. Perfectly supported by the medium volatility, this percentage can guarantee you quite a decent return on your bets in the slot.



Joker Stacks is a colorful slot machine with impressive visuals. There are smooth animations that appear every time you hit a winning combination. Even though they slightly stand out from the main color palette, they’re not annoying and only add to the thrill of a win! On the reels, you are greeted by the game’s main character, Joker, who’s ready to add to your prizes in a form of the Wild symbol. Besides, there is intriguing background music that adds to the boiling anticipation of possible winning strikes. Overall, even though there isn’t something innovative to the slot’s concept or general interface, our good impression is built on the impeccable graphic quality of the game.

Joker Stacks is a mainly fruit-themed slot, so its basic symbols are fruits: cherries, lemons, and watermelons. The high-paying symbols are a blue horseshoe, a golden bell, a blue 7, and a red 7.

The special symbols in Joker Stacks include Bonus and Wild icons. The Wilds can substitute for all basic symbols on the reels, thus forming new winning combinations. In case you get a winning combo of 3 Bonus symbols on reels 1, 3, or 5, they will award you 15 Free Spins.

Joker Stacks
Joker Stacks slot - payouts

Mobile Compatibility

Joker Stacks slot mobile
Mobile-friendly slot machines can greatly facilitate online gambling for millions of users. If you can play them from anywhere using only your phone, the chances of hitting big wins increase at times. Joker Stacks is known to be a mobile-optimized video slot. It operates perfectly in most mobile browsers due to the latest HTML5 and JavaScript technologies. That is why you don’t even need to download any additional apps.

About iSoftBet

iSoftBet, founded in 2010, is a reputable slot provider with more than 10 years of experience in the industry. Gamblers particularly enjoy slot machines by iSoftBet due to their exclusive bonus features and an abundance of diverse themes. In the developer’s portfolio, every online gambler can find something for their tastes. Besides, the most lucrative bonuses in the game usually include Wild reels, stacked Wilds, Free Spins, and stake multipliers.

Bonus Rounds & Free Spins


Free Spins

Look out for the Bonus symbols on the reels. In case you get a winning combination of 3 Bonus symbols, you will be awarded 15 Free Spins. Also, you can re-trigger Free Spins if you collect additional Wild Jokers during the round. Bear in mind that Bonus symbols only appear on reels 1, 3, and 5.
Joker Stacks slot - feature

Stacked Wilds

The Joker Wild Reels are activated randomly at the beginning of every spin in the base game. As a result, any of reels 1, 3, and 5 can be turned into stacked Joker Wild reels for this round.

Sticky Stacked Wild Jokers

This bonus feature is only active during Free Spins. In case you collect 6 Wilds on any reels, reel 1 will be automatically transformed into a sticky stacked Wild until the end of the round. Besides, you will win 2 extra Free Spins. If you collect 10 more Wilds from reels 2 to 5, reel 3 will be transformed into a sticky stacked Wild, adding 2 extra Free Spins. Finally, if you collect another 10 Wilds from reels 2, 4, and 5 only, reel 5 will be transformed into a sticky stacked Wild, awarding you 1 extra Free Spin.

Joker Stacks Demo play

All experienced gamblers prefer to try any new slot machine before playing it for real cash. For this, you can try our demo version of Joker Stacks. The demo is completely free and includes all bonus features offered by this slot.

Max Win

The max win achievable in Joker Stacks is 16,712x your bet.
The top jackpot achievable in Joker Stacks is certainly not bad for a slot machine with medium volatility. You get a perfect chance to achieve it with the help of available bonus features, such as Free Spins, Stacked Wild Reels, Joker Wild Spins, and many more.

Overall Rating

Joker Stacks is a decent slot machine that surely stands out among many other classic fruit-themed games. This is due to its impeccable visual component and fun atmosphere, as well as the abundance of unique bonus features. If you decide to try it out, you’ll be able to benefit from free spins, stacked Wilds, and more. Launch Joker Stacks right now and get ready for your wins!
Stacked Wilds
Free Spins
No progressive jackpot

Joker Stacks Slot - FAQ

Do I Need to Make a Deposit to Play this Game?

You’ll only have to make a deposit in Joker Stacks if you play the game in an online casino.

What is the Most Valuable Symbol in Joker Stacks?

The most valuable symbol in Joker Stacks is the Wild Symbol which pictures the Joker himself. It can appear stacked on the reels, awarding you free spins and win multipliers.

What is the Return to Player (RTP) rate of Joker Stacks?

Joker Stacks has got an RTP rate of 96.61% and medium volatility.

Can I Earn Real Cash Prizes in Joker Stacks?

Sure, but only if you deposit real cash in a casino.

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Joe Booth
Joe Booth
Expert in: News, Blog, Slot reviews
Joe is an expert online casino player, who knows all the tricks and tips on how to get to the most massive wins. He is also an experienced online casino games reviewer, with hundreds of written articles behind him, on all kinds of online casino games. He makes sure to play them, see how they work, and then gives his honest expert opinion about them to other players, our readers. 
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