User rating5 / 5

Sparks slot from NetEnt

Sparks slot from NetEnt
In 2015, NetEnt decided to experiment with a new type of Wilds and win-both-ways-slots. Visually stunning and with original gameplay, the Sparks slot machine will put your mind at ease while you’re spinning the relaxing reels. The expanding Wilds promising big winnings can make your heartbeat just a little bit faster anyway. Meanwhile, the soothing soundtrack will put you back in a tranquil state. Sparkling symbols will give you an RTP of 96.54% (depending on which gameplay you choose), and the maximum win per spin can be as high as 80 000 coins. The volatility of the slot is medium. 

Below you can read some more about this sparkling slot (even though sources close to the developer revealed that Sparks is - EOL- End of Life machine), or you can go straight to playing the game in the free DEMO version. No registration is required.

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Find your favourite paragraph:

Personal testers’ opinion about Sparks slot

  • Sparks has lost its sparkles apparently and is not as popular among gamblers as it once was. Logically, this influences the prize pool negatively, and perhaps because of this, we were rewarded mostly with minor winnings during our sessions. Our results don’t necessarily mean that the slot has no potential at all. It just doesn’t show it often. The probability of hitting any win at the Sparks slot machine is equal to 34.95%. Bonus hunters can try to complete the wagering requirements here as the wagering rating is 6 (out of 10). We advise players to choose only popular online casinos for playing this slot. Besides that, it would be wise to pre-test the Sparks with 50-100 spins via small bets to identify the slot’s current ‘mood.’ If you get many winnings and action - go on with your usual strategy. If not, that is the symptom of a ‘cold’ slot, so you better move to the next slot.

Review and recommendations by the testing team

  • NetEnt has put a lot of effort into the design of Sparks like we are accustomed to receiving from them. The symbols are simple but stylish and serene, while the hypnotizing soundtrack can put you in an altered state of mind while the reels are rolling by.
  • The main attraction of this slot is the expanding cloning Wilds, which multiply left, right, up and down, randomly. This process can result in some significant winnings, especially when expanding are combined with regular Wilds.
  • There are no Free Spins, so it all depends on the Wilds to keep the balance well and hope to increase it.
  • The average wins from combinations with expanding cloning Wilds during the tests were about 20x-80x total bets, and their frequent appearing took us by surprise a few times, which was a good thing. However, don’t expect a huge win of more than 250x total bets from this slot, as the potential is not there (the super-maximum win here is 400x).

Hidden parameters and settings of the slot (data from testing)

  • The probability of a hit (any winning) is 34,95%. This number is higher than average. The Player will get many small winnings (especially if the "win both ways" mode is enabled).
  • Volatility is 4.19 out of 10 (from low to average). The potential of winning is low. 
  • The rating of the slot machine for the wagering is 6 out of 10. The low potential of winning, high RTP and win both ways feature is an excellent cocktail for wagering rating. If the slot is warm, players can easily complete the bonus money wagering requirements here.
  • The expected percentage of the payment in the Sparks slot is between 96.54% (while playing both sides) up to 96.56% while playing from left to right. The RTP allows getting a positive mathematical expectation of winning at the casino.


  • Number of reels - 5
  • Number of pay-lines - 20 (always active)
  • Value of a coin - from 0.01 to 2.0
  • Number of coins per line – 1 to 10
  • The range of the size of bets - from 0.20 to 400
  • Maximum winning for the combination of identical pictures – x400 (5 wild symbols)
  • Wild symbol - yes (Shining sphere extends on all reel)

How to win at the Sparks slot machine? (Conclusion)

  • We suppose many of you have read our previous recommendation sections and know our first advice: Always test the slot in the free DEMO version before placing real money deposits.
  • Playing Sparks, we advise short sessions. They are suitable for both bonus and real money, and after some decent winnings, it might be wise to change the game. The low win potential, the high RTP, and the ‘win both ways' mode all contribute to a great cocktail for a successful wagering rating. Especially when the slot is hot, you should easily be able to fulfill the wagering requirements.
  • We do not recommend this slot for playing with real money if you are expecting massive payouts. Other than that, you can play mostly for entertainment and with small stakes. If you however decide to play, we advise you to do so at a popular casino, where the prize pool is likely to be already accumulated. 
  • Test the Sparks online slot with 50-100 spins via minimal bets and establish if there’s some action. If there is, continue playing. You’re likely to receive many small wins, especially if you made a ‘win both ways’ selection. Furthermore, we analyzed that changing the coin value and the bet level didn't influence this machine’s behaviour.

Where to play?

  • The best place in Canada to launch Sparks slot for free or real money is Fastpay Casino. They offer over 5300 casino slot games as well as super-fast and no-hassle withdrawals. You will be pleased with their bonus program and a VIP bonus program for all loyal players.

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Written by Kamen Valev
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