Double Stacks

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Return to player Min bet size Game type Variance Reels Progressive Jackpot
96.1% 0.10 Video Slots High 5 No
Popularity Max bet size Game provider Bonus Features Paylines Theme
200 NetEnt Yes 10 Classic

Return to player

96.1%

Min bet size

0.10

Game type

Video Slots

Variance

High

Reels

5

Progressive Jackpot

No

Popularity

Max bet size

200

Game provider

NetEnt

Bonus Features

Yes

Paylines

10

Theme

Classic

Double Stacks

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. 

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