Double Stacks

Double Stacks by NetEnt is a five-reel, three-row slot with 10 paylines and a maximum win of 1,000x stake. Wins are formed by matching three or more symbols across a payline, with bet sizes ranging from 0.10 to 100 per spin. The game uses a classic fruit machine style, with colourful symbols and stacked premium icons on the reels.

The main feature is the Double Stacks mechanic. When a reel lands as a full stack of one symbol, that reel doubles, so symbols count twice in win calculations. Free Spins are triggered by scatter symbols: three scatters award five spins, while five scatters award 30. Extra scatters during the bonus can add more free spins, and stacked Wilds may appear in the round.

This page offers the demo version, allowing players to play for free and practice before playing for real money. The slot is available for trial play near the game launcher, making it possible to review the payline structure, stacked-symbol feature and bonus round flow before placing a stake.