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Prime Zone

RTP 96.28%
Play Quickspin Slots
Reels 5
Paylines 10
Min bet size 0.1
Max bet size 100
RTP 96.28
Wild symbols Yes
Free spins Yes
Bonus No
Jackpot No

Top Casinos: United Kingdom

Prime Zone Slot Review

Released July 2019

The Prime Zone slots game can be found at casinos offering Quickspin software. Quickspin are one of the newer slots game developers on the market but their products are polished and professional in feel and operation. As a standard Quickspin do publish the RTP/House Edge information for their slots games within their game help file. For a provider that are not currently licensed within the UK market and therefore are under no obligation to publish these figures this is a significantly progressive move. The House Edge of Prime Zone is 3.72%.

Prime Zone is a 5 reel game and each reel is 3 symbols high. The game uses traditional paylines, with 10 in total, playing from left to right.

Special Symbols

Wild – The Wild symbol will substitute for all symbols other than the Bonus symbol. The symbol is also a multiplier. The number of Wilds you land will signify the size of the multiplier that you earn. So, 2 Wilds = a x2 multiplier and 3 Wilds earns you a x3 multiplier, up to a maximum of x5 the bet.

Bonus Symbol – The Bonus symbol is the “Red Button”. 3 or more of them anywhere between reels 2, 3 and 4 will earn you 7 Free Spins, of which there are 4 different options for you to choose from.

Bonus Features

Free Spins – If you trigger the Free Spins feature by landing 3 or more of the “Red Button” symbols across reels 2, 3 and 4 then you will be awarded 7 Free Spins and will have to choose what Free Spins you want to play. Each choice comes with wilds that have a different value of multiplier. The higher the multiplier the more difficult it becomes to form winning paylines using the Wilds:

Level 1 comes with Wild that have a x1 multiplier (so, no multiplier) and fall across reels 1, 2 and 3, making it the easiest level form wins with.

Level 2 comes with Wilds that have a x2 multiplier and fall across reels 2,3 and 4.

Level 3 comes with Wilds that have a x3 multiplier and fall across reels 3, 4 and 5.

Mystery Level – If you choose level then any one of the previously mentioned 3 levels could be in play during each of your spins. The level that is play will be chosen at random with each of your Free Spins.


Prime Zone is a traditional looking slot game that tries to make the most of a few simple but effective features. The slot is well enough designed but is working within a theme that limits just how good it can look. I can see this being popular with fans of more traditional slots but for anyone looking to find something different and original this will not meet the brief. The house edge is relatively competitive so it won’t cost anyone too much to try the game out. You also have a few options to mess around with in the Free Spins which could mean that the slot holds your attention for a reasonable amount of time.

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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.