- An 8×8 cluster pays slot set in a retro winter wonderland
- Free spins from Christmas Trees, with a growing Secret Santa Feature
- A maximum win of 20,000x the bet and a 96.27% RTP
Santa’s Stack is a Relax Gaming video slot set in a retro winter wonderland. Wins are paid in clusters of five or more matching symbols on an 8×8 grid, with wilds and respins helping to keep the board moving.
The Christmas theme sits around Santa Claus and a Secret Santa Feature that builds during free spins. For another festive Relax-style Christmas game on the site, see our Santa’s Wonderland review.
Base Game
Clusters of five or more matching symbols pay. Wilds and respins appear in the base game. The RTP is 96.27% and the maximum win is 20,000x the bet.
RECOMMENDED CASINOS TO PLAY Santa’s Stack
Free Spins and Secret Santa
Landing three or more Christmas Trees starts free spins with five games. Extra trees award more spins, up to a maximum of eight free spins.
The Secret Santa Feature is active from the first free spin and grows in size on every spin of the round. The Feature Buy option is not available to UK players.
Overall
Santa’s Stack keeps the focus on cluster wins and a free spins round that grows as you play. The Secret Santa Feature and the 20,000x cap give the bonus a clear target for players who like Christmas cluster games.