Santa's Stack

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Rules and Gameplay

Santa’s Stack is a captivating slot game set in a cozy retro 8-bit visual world, offering players a unique Christmas-themed experience. Played on an 8×8 grid, the game employs a cluster pays system where wins are formed by landing clusters of at least 5 matching symbols. The game stands out for its engaging mechanics, including mystery symbols, respins, and a bonus round filled with free spins and guaranteed wilds, designed to increase your chances of hitting that massive 20,000x win cap.

Bonus Features

Santa’s Stack is rich in bonus features that enhance gameplay and provide players with more opportunities to win big. Here are the key bonus features:

  • Secret Santa Respins: Triggered by a wild in a winning cluster, transforming all winning symbols into sticky Mystery Symbols with a respin.
  • Bonus Round: Activated by landing 3+ scatters, awarding 5 free spins with an additional spin for every extra scatter. Wild symbols are guaranteed at the start of each free spin, increasing your chances for respins.
  • Multiplier: During the bonus round, a multiplier can build up, significantly increasing potential winnings.
  • Bonus Buy Feature: Available to non-UK players, this feature allows the purchase of the bonus round, increasing the RTP to 97%.

These features, combined with guaranteed wilds in the bonus round, make every spin a thrilling experience.


The symbols in Santa’s Stack are a delightful nod to the holiday season, designed with charming 8-bit graphics. Key symbols include:

  • Low-Paying Symbols: Decorative lights in blue, green, and red.
  • Premium Symbols: Rudolph, Elves, Mrs. Claus, and Santa, with Santa being the top-tier payer.
  • Wild Symbol (‘W’): Substitutes for all pay symbols, crucial in activating the bonus features.
  • Scatter Symbols: Trigger the Bonus Round with free spins.

These symbols, especially the premiums, can lead to significant wins, particularly when forming large clusters.


Payouts in Santa’s Stack are designed to reward players generously, particularly through large clusters and the game’s bonus features. Here’s an overview:

Symbol 5 Symbols 60+ Symbols
Santa (Premium) Varies Up to 10,000x your stake
Elves (Premium) Varies Up to 5,000x your stake
Rudolph (Premium) Varies Up to 2,500x your stake

With the potential to win up to 20,000x your stake, Santa’s Stack offers one of the most exciting payout structures in online slots.


Instead of traditional paylines, Santa’s Stack uses a cluster pays mechanism, where wins are achieved by forming clusters of 5 or more matching symbols. This innovative approach to winning combinations allows for a more dynamic and engaging gaming experience, with every spin offering a new opportunity for a big win.

Pros & Cons

Pros Cons
Original 8-bit retro visual presentation High volatility may not suit all players
Innovative cluster pays system Can be too volatile for casual gaming
Exciting bonus features with guaranteed wilds and multipliers Bonus Buy feature not available in the UK

Minimum and Maximum Bet

The minimum bet in Santa’s Stack is $0.10, allowing players of all budgets to enjoy the game. The maximum bet can go up to $50 per spin, catering to high rollers looking for the thrill of big stakes. This range ensures that the game is accessible to a wide audience, from casual players to serious gamblers.

Game Jackpot

The jackpot in Santa’s Stack can reach up to 20,000 times the player’s stake, offering the potential for substantial payouts. The game’s RTP (Return to Player) is set at 96.27%, and it features a high variance, indicating that payouts may be infrequent but can be significant when they occur. This combination of high jackpot, favorable RTP, and high variance makes Santa’s Stack a thrilling choice for players seeking big wins.

About Provider

Relax Gaming is the provider behind Santa’s Stack, known for their innovative and high-quality slot games. Since its establishment, Relax Gaming has earned a reputation for creating engaging and visually appealing games with unique themes and features. They are a leading developer in the online casino industry, consistently delivering games that stand out for their creativity and entertainment value.

How To Play

  • Start by setting your bet size according to your budget. Adjust the bet using the game’s interface.
  • Once your bet is set, press the spin button to start the game. The 8×8 grid will spin, and new symbols will fall into place.
  • To win, you need to form clusters of 5 or more matching symbols. The game uses a cluster pays mechanism instead of traditional paylines.
  • Look out for the ‘W’ wild symbol, which substitutes for all pay symbols to help complete winning clusters.
  • Trigger the Secret Santa Respins feature by landing a wild in a winning cluster. Winning symbols transform into sticky Mystery Symbols, and respins continue until no new wins are formed.
  • Land 3 or more scatter symbols to enter the Bonus Round with free spins. The number of free spins increases with additional scatters, and guaranteed wilds appear at the start of each spin.
  • Take advantage of the bonus features, including increasing multipliers and guaranteed wilds, to maximize your winnings.


Santa’s Stack by Relax Gaming is a standout Christmas-themed slot game with its charming 8-bit retro visuals and innovative gameplay mechanics. The cluster pays system, combined with unique bonus features like Secret Santa Respins and a lucrative Bonus Round, makes for an engaging and potentially rewarding experience. While its high volatility may not suit every player, those in search of significant wins will find Santa’s Stack to be an exciting challenge. Overall, Relax Gaming has created a game that not only captures the festive spirit but also offers a fresh take on the traditional slot format.