Double Stacks is a standart 5 reel proggresive video slot, with 10 paylines and RTP – 96.1%. Video slot is powered by the Net Entertainment software provider. Double Stacks slot have classic, old school neon style with usual NetEnt high quality graphics. Low value symbols are watermelons, plums, lemons, cherries, whereas high value symbols are bells, 7s, bars with diamonds as a most profitable symbol. In addition, video slot also have Scatter and Wild symbols as well. Before investing real money players can try Halloween Jack Slot for free, or visit any NetEnt Casino such as: Big City Slots, King Billy Casino, SlotsMillion Casino and others to play with real money and win.
Before you start the game, your bets need to be placed. Coin denominations can be adjusted using “Coin Value” button. Number of coins per line can be set by “Level +/-“. Highest bet value can be placed by “Max Bet”. “Autoplay” button is for setting up number of times the reels will turn automatically and “Spin” button is represented as two arrows.
Double Stacks feature activates when after spin all the symbols on that reel are stacked. After the feature is triggered all symbols will be double stacked, which means symbol will count as 2 not 1. During this feature players can get 10 different winning combinations at once, awarding big prizes.
As many other NetEnt video slots, Double Stacks also have a Free Spins feature. Players can trigger Free Spins feature when 3 or more Scatter symbols land anywhere on the reels. As soon as feature is activates players will be awarded with 5, 15 or 30 free spins, number depends on the how many Scatter symbols landed on the reels. High value and Wild symbols will also land in stacks during this feature. In addition, Free Spins feature can be re-activated if more Scatters land.