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Joker Stacks

RTP 96.6%
Play iSoftBet Slots
Reels 5
Paylines 15
Min bet size
Max bet size
RTP 96.6
Wild symbols YES
Free spins YES
Bonus YES
Jackpot 150 coins

Top Casinos: United Kingdom

Joker Stacks Slot Review

The Joker Stacks slots game can be found at casinos offering iSoftBet software. iSoftBet are one of the newer casino software providers on the market but they have managed to tie down some impressive branded slots game contracts. As a standard iSoftBet do not publish the RTP/House Edge information for their slots games within the game help file or paytables. However as part of the UKGC license requirements many UKGC licensed operators have started to publish this information for all of their games. As such we can tell from Trada’s site that the House Edge of Joker Stacks is 3.40% when playing maximum paylines/coins.

Stack those Jokers high!

Joker Stacks is a 5 reel slots game that does not use standard reel layout. Reels 1, 3 and 5 are three symbols high while reels 2 and 4 are four symbols high. This game has 15 paylines and you can bet 1 coin on each payline.

The ‘Jester’ symbol is Wild.

There are two bonus features when playing Joker Stacks. The first bonus feature is activated randomly at the start of any spin and turns either reel 1, 3 or 5 into a Wild reel for the spin.

The second bonus feature is triggered when you receive the ‘Bonus Star’ bonus symbol anywhere on reels 1, 3 and 5. When this happens you will be awarded 15 free spins. During the free spins any Jester Wild symbols will be banked at the bottom of the reels. If you manage to collect 6 Jester Wild symbols reel 1 will be turned into a Wild reel that will remain locked in place for the remainder of the free spins and you will be awarded 2 additional free spins. If you manage to collect another 10 Jester Wild symbols reel 3 will be turned into a Wild reel that will remain locked in place for the remainder of the free spins and you will be awarded another additional 2 free spins. Finally if you collect another 10 Jester Wild symbols reel 5 will be turned into a Wild reel that will remain locked in place for the remainder of the free spins and you will be awarded an additional free spins.


Joker Stacks has an unusual reel layout, a bonus feature that is interesting, though nothing even a moderately experienced slots player will not have seen before and a House Edge is reasonably attractive. Not the best game but not the worst.

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Top Casinos: United Kingdom

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The United Kingdom of Great Britain and Northern Ireland sits to the north-west of mainland Europe. The United Kingdom shares a border with The Republic of Ireland and has coasts on the Atlantic Ocean, Celtic Sea, North Sea, Irish Sea and English Channel. The population of the UK is approaching the 67.6 million mark leading to a fairly densely populated land mass. The gambling sector in the United Kingdom is entirely regulated and licensed by the UKGC – the United Kingdom Gambling Commission. Should players resident In the UK wish to gamble with foreign based operators there is no history of this being treated as a criminal offence, but high levels of protection exist for UK residents playing with UK licensed operators.


The above information is what we believe to be the the legal status of online gambling, however information on this topic is limited and hard to find. We accept no liability for any errors or ommissions. It is the reader’s responsibility to ensure that they know the legality of online gambling in their country before engaging with any online gambling service.