Netent Double Stacks
Double Stacks netent slot. When landing a full stack of symbols on a reel, the Double Stacks™ feature doubles all symbols on the reel. In Free Spins, the Wilds can also double, potentially creating double the excitement! And speaking of excitement, Double Stacks™ delivers 1000x potential max win per single spin.
Min bet size
0.10
Variance
High
Progressive Jackpot
No
Popularity
Max bet size
200
Bonus Features
Yes
Theme
Classic
Double Stacks slot title is a retro-style slot with fruits, 7s, diamonds, bells, and bars giving you blast from the past on modern 3D reels. There is plenty of entertainment too with double stack symbols offering bigger wins, hefty payouts via free spins, and a wild that habitually links up combination wins.
Theme and Story Line
This slot takes you back to a time when slot machines used fruit symbols, 7s, bars, diamonds and stars. The background setting illuminates with disco lights but there is no particular theme to the game except pure fun with an abundance of cool features!
Graphics, Sounds, and Animations
Double Stacks is a colourful and fast-paced slot with pixel-perfect graphics. This slot is sharp and comes with a few light animations and mega wins with symbols bursting out of the reels. More than anything this slot has an amazing lighting display with reels that shine before they stop and flashing symbols when a combination lines up on a pay line. The soundtrack is a slow funky but relaxing tune backed up by voice sounds when the mega win lands and electronic slot sounds every time you land a win.
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Gameplay
The bright reels of Double Stacks dish out 10 pay lines behind 5 reels and plenty of stacked wild symbols as well as the awesome double symbol feature. On any spin, the symbols can double up on any of the reels giving players 2 symbols for the price of 1.
Diamond, red 7, bar, and bell symbols can line up into combinations of 3 to 10, while the cherry, plum, lemon, and watermelon symbols can form combinations with 3 to 9 symbols. For example, a 7 symbol combination of cherries could land on reels 1-2-3-4 with double symbols in reels 2-3-4 (6 symbols) a single symbol (1 symbol) on reel 1 making a 7-symbol combination.
The highest paying symbol is the diamond and if you manage to line up 5 double symbols on reels 1-2-3-4-5, then the payout is 1,000x the ‘Level Bet’ paid out in coins. The cash value of the win will be determined by the ‘Coin Value’ which is set in cash. However, you can land double win diamonds in all 15 positions n the reels giving you a massive 15,000x the ‘Level Bet’ payout!
The wild symbol cannot double up, but it is stacked all over the reels and it can substitute for any other symbols as a single symbol except for the scatter.
Bonuses and Free Spins
Double stack symbols: At any time the symbols can roll in on the reels and double. Therefore 1 symbol will then count as 2 symbols giving you 1 to 10 and 1 to 9 symbols combination wins.
Scatter Free Spins: 3, 4, or 5 scatters give you 5, 15, or 30 free spins in return. The 4 highest paying symbols, as well as the wild symbols, will be stacked.
Retrigger Free Spins: Landing 2, 3, 4, or 5 scatter symbols anywhere in view on the reels while free spins are active will award you with 2, 5, 15, or 30 additional free spins respectively.
Stacked Symbols: The 4 highest paying symbols which are diamond, 7, bar, and bell symbols can turn into stacked symbols on the reels giving you a chance to fill all 15 positions on the reels.
Bet sizes, RTP and Variance
Press the ‘Max Bet’ options to auto set the ‘Bet Level’ to 10. Each bet level adds 10 coins to the spin, so ‘Level 10’ equals 100 coins per spin. By setting the ‘Coin Value’ to 2.00, you will be able to spin the maximum cash bet of 200.00. For the minimum cash bet per spin, reduce the ‘Coin Value’ to 0.01 and ‘Bet Level’ to 1 so each spin will be worth 0.10 with 10 coins on the spin.
Double Stacks is a high variance slot but may not seem like it because you will win reasonably often, but most lower wins will just about cover you spin bet, and therefore, you will need to hit the lucrative free spins game to get the best of the Double Stack video slot’s 96.1% RTP.
Conclusion
Anyone new to online slots will appreciate the fast-paced action as well as the simplicity of Double Stacks. On the other hand, old school slot players will be ecstatic to see such a well-designed slot game based on the old style classic slots. With plenty of features to bring in high payouts, Double Stacks will remain one of NetEnt’s most played slots for years to come.
- Details
- Written by Kamen Valev
We would like 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-round vintage feel, sparkling symbols, radiant reels, and relaxing soundtrack. 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! - Get your 15 free spins (no deposit bonus) at Fastpay Casino and enjoy super-fast withdrawals.
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The slot has High Volatility with an initial RTP of 96.1%. The RTP allows obtaining a positive mathematical expectation of winning in the casino.
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Personal testers’ opinion (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.
The gurgling soundtrack of routine electronic melody full of jingling bells, bubbly and gassy wondering sounds it is a bit too optimistic according to the test team, but 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 such high variance games 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 that are 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 game
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 distribution of winning is 58% in the usual spins and 42% in the bonus free spins.
- The maximum winning during the tests was 571x.
- The average winning from the bonus was 121x.
- Volatility is 9,18 out of 20 (high).
- 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 paylines.
- 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.
- 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 are present on a winning payline 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.
How to win at 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 do recommend this slot if you attempt to play with bonus money, and accordingly to fulfill the wagering requirements. 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 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.
Where to play?
- Play Double stacks slot at the best gambling site in Canada - Fastpay Casino. They offer over 5300 casino slot games as well as instant and no-hassle payouts. After the first deposit, you will become part of their VIP bonus program for loyal players that has 11 levels. Each level will bring new and outstanding prizes for you.
Netent Double Stacks Game
