The video slot Double Stacks from NetEnt, has a Wild in the form of a colored Star on the reels. Double Stacks is a slot with 5 reels and 10 win lines. The reels are filled up with the well-known fruit symbols. The Wild at this machine has the power to substitute all other symbols except the Scatter. This Scatter is very important, because it triggers the Free Spin feature. If you spin 3 Scatters, you will activate 5 Free Spin rounds. 4 Scatters are worth 15 Free Spins and 5 Scatters will give you 30 Free Spins. While you’re playing the Free Spin feature, the 4 highest symbols appear in Stacks. If you get another 2 Scatters you will get extra Free Spins. The top symbol in this game is the Diamond, it’s worth 1000 coins. Enjoy this game and try to win a lot of prizes, play Double Stacks for free or with real money online.