Double Stacks Slot

Updated: August 6, 2022

Software:
RTP:
96.10%
Volatility:
Paylines:
10
Reels:
5x3
Year Released:
2018
Max Payout:
1000x
Show more:

We want to introduce another retro-fashion slot from the Swedish developer NetEnt. This 2018 released Double Stacks slot takes you back to the good old days with its classic fruit theme, all-around vintage feel, sparkling symbols, radiant reels, and relaxing soundtrack.

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Double Stacks Slot
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Detailed review about Double Stacks Slot

Double Stacks The fruit images look delicious and juicy; the overall graphics are of splendid quality and sharpness, spinning with golden pattern backlighting on each reel. The virtual vitamins will help you relax, but the winning combination of diamonds, bells, sevens, and bars will have your heart racing in no time!

The slot has High Volatility with an initial RTP of 96.10%. The RTP allows obtaining a positive mathematical expectation of winning in the casino. If you want to know – one of the most preferred pages by experienced players is “How to win at Starburst slot”.

Personal testers’ opinion about Double Stacks slot (Review and recommendations from the testers’ team)

If you would like to rekindle, going back in time to relive your early gambling days, Double Stacks will bring you there. This is one of those re-designed classics of NetEnt, upholding their high standard of graphics and animations, but just slightly too Shiny and Bright for our taste.

According to the test team, the gurgling soundtrack of routine electronic melody full of jingling bells, bubbly and gassy wondering sounds is a bit too optimistic. Still, once we started playing, that didn’t bother the action anymore.

We knew we were testing a high volatility slot, so we were prepared for highs and lows. We knew – as with other games showing such high variance long sessions can cause some difficulties.

In the base game

the slot is actually quite giving and helps us keep the balance with frequent issuing of winning combinations, although playing it is not entirely stable. The slot issues winnings, which are most of the time close to the bet value, but a big win later compensates for some losses.

One time we hit it really big with a full screen of double bars! That was a 1000x payout and put a big smile on our faces. Unfortunately, we weren’t smart enough to walk away, but instead, we tested the machine, gradually increasing the bets. Needless to say, the dead spins were back again and ate half of our win without mercy. The Free Spins are triggered with high frequency, usually in a series of 2 Free Spins features within a small interval.

In the bonus round

the chance of getting big winnings is huge due to the stacked wild and double Stacks features. The maximum win per spin can be up to 1000x the bet. The average value of winnings on Free Spins is lower and varies between 60x – 100x the bet, despite the great potential of a big win. The maximum winning that our testers obtained during Free Spins was a little bit less than 200x the bet.

Hidden data and settings of Double Stacks slot (testing data)

  • The frequency of triggering the bonus free spins feature is statistically every 267th spin (0.37%).
  • The probability of a hit (any winning) is 15,86%.
  • The winning distribution is 58% in the usual spins and 42% in the Bonus FS.
  • The maximum winning during the tests was 571x.
  • The average winning from the bonus was 121x.
  • Volatility is 9,18 out of 20 (high).
  • The cycle length is average.
  • The rating of the slot machine for the wagering is 3,94 out of 10.
  • RTP of 96.10% allows obtaining a positive mathematical expectation of winning at a Canadian online casino.

Slot’s symbols and features

  • 5-reel, 3-row slot with 10 fixed pay lines.
  • Low-paying symbols all with the same value are Cherries, Plumps, Lemons, and Melons.
  • High-paying symbols are Diamonds (on top with 60x for 5OAK), Sevens, Bars, and Bells.
  • The double Stacks feature is when on 1 reel appear symbols of the same kind. Then their images are doubling, and they will double their value if they are present on a winning pay line formation.
  • Only the 4 highest paid symbols can appear stacked on the reels during the base game.
  • The field on the top of the grid shows the max cash prize for these 4 highest paid symbols, linked to your current coin value. That will be the cash to receive for a full screen of any of these symbols.
  • Double Stacks has a maximum win of 1000x your stake.
  • 3, 4, or 5 Scatters across the reels in one spin will award with 5, 15, or 30 Free Spins.
  • Golden stars with Wild written across substitute all symbols, except the Scatter symbol.

Settings

  • Provider – NetEnt
  • Payment lines – 10 (fixed)
  • Default range of bets – 0.10 to 200 CAD
  • Volatility – High
  • Hit rate – Main – 16%
  • Playing field – 5х3
  • The maximum winning is – 1000x the total bet
  • Bonuses – Wilds, Stacked Premiums, Scatters, Double Stacked Reels,  Free Spins with Stacked Wilds
  • Free Spins – Yes
  • RTP – 96.10%

How to win at the Double Stacks slot? (Conclusion)

  • As usual, our first advice is to test the game in DEMO mode before starting to play for real money.
  • We recommend this slot if you attempt to play with bonus money and fulfill the wagering requirements accordingly.
  • One advantage of the Double Stacks slot favourable for the players is that this is not a money-grabbing slot – it successfully keeps the balance (even though it is classified as a high variance game) with average bets of up to 16-20 CAD (via the Double stack feature).
  • We recommend this slot for players with real money as well, but for short or middle-length sessions.
  • The chance of receiving big rewards during Free Spins is huge, again because of the stacked Wild and Double stacks features.
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