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Castle of Terror Review

Introducing "Castle of Terror," a thrilling creation by the renowned software provider, Big Time Gaming. Set to send shivers down your spine and pulses racing, this slot was unveiled to the gaming world on October 19, 2022.

Castle of Terror Review

With an impressive Return to Player (RTP) rate of 96.72%, Castle of Terror beckons players with the promise of substantial rewards. Brace yourself for an exhilarating ride through high volatility gameplay, where the stakes are as towering as the ominous castle itself.

Venture into the dark unknown with a bet range spanning from 0.20 to 15, offering both casual gamers and high rollers a chance to conquer their fears. The game unfolds across 6 reels, featuring an impressive 1,024 ways to win thanks to the Multiway mechanism.

Castle of Terror doesn't just rely on its spine-chilling ambiance; it offers an array of features that keep players on the edge of their seats. Prepare for Additional Free Spins, the Buy Feature, Free Spins with Multipliers, Random Wilds, Scatter symbols, and even a Risk/Gamble game for the brave-hearted.

Castle of Terror Features

Castle of Terror boasts an impressive array of captivating features, including Additional Free Spins, a Buy Feature, FreeSpins with Multipliers, Random Wilds, and more, making it a veritable treasure trove of gaming excitement. With its diverse range of features, this slot promises a thrilling and multifaceted gaming experience that will keep players engaged and entertained.

Additional Free Spins

Additional Free Spins in the Castle of Terror slot provide players with extra opportunities to extend their gameplay without spending additional money on bets. Once activated, Additional Free Spins grant you a predetermined number of free spins, allowing you to spin the reels without deducting any funds from your balance. During these free spins, the game may offer enhancements like multipliers, additional wild symbols, or other bonus features not present in the base game. These additions can significantly boost your chances of winning and increase the potential payout.

Buy Feature

The Buy Feature in the Castle of Terror slot is a unique gameplay option that allows players to directly access the game's bonus features without having to wait for them to trigger naturally during regular spins. Using the Buy Feature comes at a cost, which is deducted from your available balance. The cost can vary and is often a multiple of your total bet. In Castle of Terror, it might be a fixed amount or a percentage of your current bet. Once you've paid the required fee, the game will instantly grant you access to one of its bonus features, such as Free Spins or another special round. This means you can skip the base game and jump straight into the more lucrative bonus rounds. Bonus features accessed through the Buy Feature typically come with enhanced winning opportunities. For example, Free Spins awarded through the Buy Feature may include additional multipliers or extra wild symbols, increasing the potential for bigger wins.


To trigger the Free Spins feature in the Castle of Terror slot, you typically need to land a specific combination of scatter symbols on the reels. The exact requirements for triggering Free Spins may vary from one slot to another. Once triggered, you'll be awarded a predetermined number of free spins. These spins allow you to play the game without deducting any funds from your balance. During the Free Spins feature, the game may introduce special enhancements not found in the base game. These can include additional wild symbols, stacked symbols, or other bonus features that increase your chances of winning.

FreeSpins Multiplier

The FreeSpins Multiplier is a feature that increases the value of your wins during the Free Spins round. This multiplier is applied to any winnings you earn during the free spins. The multiplier value can vary and is often determined by the number of scatter symbols that triggered the Free Spins feature. For example, if you triggered Free Spins with three scatters, you might start with a 2x multiplier, and if you triggered it with four scatters, you could begin with a 3x multiplier. As you play through your Free Spins, any wins you achieve are multiplied by the current multiplier value. This can lead to substantially larger payouts compared to regular spins.

Multiway (+1024)

In traditional slot machines, wins are determined by specific paylines, typically running horizontally across the reels. However, in slots with the "Multiway" feature, such as Castle of Terror, there is a more flexible approach to winning. The "+1024" signifies that the slot offers 1,024 different ways to win on every spin. Instead of relying solely on predefined paylines, you can achieve winning combinations by landing matching symbols on adjacent reels from left to right. This expansive payline structure significantly increases your chances of forming winning combinations with each spin. It allows for more frequent payouts, making the game more exciting and potentially rewarding.

Random Wilds / Additional Wilds

This feature can be triggered randomly during the base game or, in some cases, during the Free Spins round. There is no specific combination of symbols or actions required from the player to activate it. Wild symbols are special icons in the game that can substitute for most other symbols to create winning combinations. When the Random Wilds / Additional Wilds feature is triggered, extra wild symbols are added to the reels. The addition of wild symbols can significantly boost your chances of winning on the current spin. When they land in strategic positions, they can complete or extend winning combinations, leading to larger payouts.

Risk/Gamble (Double) game

After a winning spin in the Castle of Terror slot, you may be presented with the option to enter the Risk/Gamble (Double) game. This option is usually indicated by a button labeled "Gamble" or something similar. When you choose to play the Risk/Gamble (Double) game, you are essentially betting your current winnings on a 50/50 chance. The game often involves a simple guessing game or card flip, where you need to make a prediction. In some versions of the Risk/Gamble (Double) feature, you might be asked to guess the color of a hidden card (red or black) or predict whether a coin toss will result in heads or tails. If your guess is correct, your winnings are doubled. If you guess wrong, you lose the winnings from the previous spin, and the game returns you to the base game with no additional rewards.

Scatter symbols

Scatter symbols are special icons in the game that serve as key triggers for various bonus features. Unlike regular symbols that need to form a winning payline, scatter symbols typically pay out regardless of their position on the reels and do not need to be on adjacent reels. In many slots, including Castle of Terror, landing a certain number of scatter symbols (usually three or more) on the reels will trigger the Free Spins feature. This bonus round often comes with additional features like multipliers, extra wilds, or other enhancements to increase your chances of winning.

Symbol Swap

Symbol Swap is a feature that can occur during the base game or in specific bonus rounds. It typically activates randomly or in response to certain in-game events. When Symbol Swap is triggered, selected symbols on the reels will be transformed or swapped into a different symbol, potentially creating new winning combinations. This can lead to more significant payouts and a more exciting gameplay experience. The Symbol Swap feature can result in more favorable symbol combinations, increasing your chances of landing winning spins.

Castle of Terror Unique Features

First and foremost is the "Multiway (+1024)" feature, which introduces an astonishing 1,024 ways to win. Breaking free from the confines of traditional paylines, this feature allows adjacent symbols to create winning combinations, delivering frequent and heart-pounding payouts.

Adding to the suspense is the "Random Wilds / Additional Wilds" feature, which keeps you guessing as it randomly inserts extra wild symbols into the gameplay. These surprise wild appearances can significantly boost your winning potential, providing unexpected twists and turns in your quest for riches.

For those who crave risk and reward, Castle of Terror offers the "Risk/Gamble (Double) Game." After a winning spin, you have the option to wager your earnings on a 50/50 chance, aiming to double your winnings in a simple guessing game. It's a thrilling opportunity to multiply your rewards but carries the risk of losing it all in a heartbeat.

The enigmatic "Scatter Symbols" hold the key to the castle's secrets, unlocking the coveted "Free Spins" feature. These free spins come with added enhancements like multipliers and extra wilds, promising monumental wins as you delve deeper into the castle's mysteries.

Lastly, the "Symbol Swap" feature keeps you on your toes by randomly transforming symbols on the reels. This unexpected twist can pave the way for surprising winning combinations, delivering an adrenaline-charged gaming experience that keeps you engaged at every turn.

Castle of Terror Winning symbols

The Lady symbol is the most lucrative in the game, offering payouts ranging from x0.5 to x50 your bet. Landing multiple Lady symbols can lead to substantial wins.

The Gentleman symbol provides moderate payouts, with rewards ranging from x0.3 to x1 your bet. While not as high as the Lady, these symbols can still contribute to your winnings.

Castle of Terror Winning symbols

The Maid and Gardener symbols offer smaller payouts, ranging from x0.25 to x0.6 your bet. While they may not yield the biggest rewards, they still play a role in shaping your overall winnings.

The golden Wild symbol is a versatile icon that substitutes for all other symbols except Scatters. This Wild symbol can help you complete winning combinations by filling in for missing symbols.

The silver castle Scatter symbol is one of two Scatters in the game. Landing 3 or more of these symbols in any positions on the reels will trigger the Free Spins feature. You'll be awarded 12 Free Spins, with an additional 3 Free Spins for each Scatter symbol beyond the third.

The golden castle Scatter symbol is the second Scatter variant. Like the silver castle Scatter, landing 3 or more golden castle Scatters will also trigger the Free Spins feature, offering you the chance to explore the castle's secrets and potentially unlock significant rewards.

Castle of Terror Sound & Gameplay

As you spin the reels, you'll be greeted with haunting and atmospheric audio, including ominous music, eerie whispers, and chilling sound effects. These audio elements create a sense of anticipation and excitement, immersing players in the dark and mysterious world of the haunted castle. The sound design is dynamic, reacting to in-game events such as wins and bonus features. Big wins are often accompanied by dramatic musical flourishes, enhancing the adrenaline rush of landing significant payouts. Castle of Terror offers a captivating and feature-rich gameplay experience. With its unique Multiway (+1024) payline structure, players have 1,024 ways to win on every spin, providing frequent opportunities for payouts. The Random Wilds / Additional Wilds feature adds an element of unpredictability, with wild symbols appearing at random intervals to boost your winning potential. The Risk/Gamble (Double) game allows players to take chances and potentially double their winnings, adding excitement for those who enjoy riskier gameplay. The Free Spins feature, triggered by scatter symbols, is a highlight of the game, offering enhanced opportunities for significant wins with its multipliers and extra wilds. The Symbol Swap feature keeps players engaged by changing symbols on the reels, leading to unexpected winning combinations. This dynamic gameplay, combined with the atmospheric sound design, makes Castle of Terror a thrilling and memorable slot experience for players seeking both entertainment and the potential for big rewards.

Castle of Terror Mobile compatibility

Castle of Terror slot is thoughtfully designed to be accessible and enjoyable on both mobile devices and desktop platforms. This adaptability ensures that players can immerse themselves in the spine-tingling world of the game regardless of their preferred gaming device. The game's graphics and animations remain sharp and engaging on smaller screens, maintaining the eerie and immersive atmosphere even on mobile devices. On desktop platforms, players can take advantage of a larger screen size to fully appreciate the game's intricate details and graphics. The user interface is tailored for ease of navigation with mouse and keyboard inputs, providing a seamless gaming experience.

Castle of Terror Big wins

In the Castle of Terror slot, the maximum win scenario is determined by the combination of the highest bet and the symbol that provides the highest multiplier, which is the "Lady" symbol. The Lady symbol awards payouts ranging from x0.5 to x50 your bet. To calculate the maximum win, we'll consider the following:

Maximum Bet: Let's assume you're playing at the maximum bet allowed in the game, which is often 15 in this case.

Lady Symbol Payout: The Lady symbol offers a multiplier of x50, which is the highest in the game.

Now, to calculate the maximum win, you multiply the maximum bet by the Lady symbol's multiplier:

Maximum Win = Maximum Bet (15) x Lady Symbol Multiplier (x50) = 15 x 50 = 750 credits

Castle of Terror Pros & Cons


  • High RTP (Return to Player) of 96.72%, indicating favorable odds for players.
  • Offers a potentially massive maximum win of x61720.00, providing substantial winning opportunities.
  • A wide betting range from 0.20 to 15, catering to both casual and high-stakes players.
  • Exciting and dynamic gameplay with multiple features, including Additional Free Spins, Multipliers, and Random Wilds.
  • Innovative Multiway (+1024) payline structure, offering 1,024 ways to win on each spin.


  • High volatility may result in periods of frequent losses before significant wins.
  • The Risk/Gamble feature carries a potential risk of losing winnings.

Castle of Terror Alternatives

  • Apollo Pays Megaways
  • Holy Diver
  • Kingmaker


Castle of Terror is a slot that beckons players into a hauntingly thrilling adventure. With a high RTP and the potential for substantial wins, it offers an enticing blend of risk and reward. Its innovative features, including the Multiway payline structure and Random Wilds, keep gameplay dynamic and engaging. The Risk/Gamble feature adds an extra layer of excitement for those willing to take chances. However, the slot's high volatility might not suit all players, and the maximum win remains an elusive treasure. Nevertheless, Castle of Terror's eerie ambiance, cross-platform accessibility, and array of features make it a captivating choice for those who dare to explore its haunted reels.




Leo Harris

Last Updated: Oct 05, 2023

Leo Harris is a respected author and expert at With a passion for online slot games, Leo thoroughly tests and reviews the latest titles, providing valuable insights to players. His comprehensive evaluations cover gameplay, graphics, and overall entertainment value, helping readers make informed choices. Leo's captivating writing style and industry expertise have earned him a loyal following, making him a trusted voice in the online gambling community.

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Castle of Terror distinguishes itself with its innovative 1,024 ways to win, eerie ambiance, and an array of features like Random Wilds and the Risk/Gamble game.

To activate Free Spins, simply land 3 or more silver or golden castle Scatter symbols anywhere on the reels. This grants you 12 Free Spins, with additional spins for each Scatter beyond the third.

The Risk/Gamble game in Castle of Terror presents a 50/50 chance to double your winnings, but it also carries the risk of losing your current earnings if your guess is incorrect.

Absolutely, Castle of Terror is optimized for mobile play, ensuring a seamless gaming experience on smartphones and tablets.

Random Wilds, or additional wild symbols, can appear unexpectedly during gameplay, introducing an element of surprise and excitement.