Castle of Terror

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Rules and Gameplay

Dive into the eerie yet captivating world of the Castle of Terror slot, where gothic horror meets thrilling gameplay. With a 6×4 reel configuration, this game offers 4,096 ways to win, ensuring that each spin could unveil a myriad of winning combinations. Bets can range from $0.20 to $8 per spin, accommodating a wide spectrum of players. The game’s high volatility and a generous RTP of 96.72% promise substantial rewards for those brave enough to explore the haunted castle. The gameplay is further enhanced by dynamic shifts from day to night, adding a layer of unpredictability and excitement.

Bonus Features

Castle of Terror is laden with bonus features that elevate the gaming experience:

  • Holy Water Feature: Activated randomly, splashing holy water onto the reels to transform symbols into wilds and increase win multipliers.
  • Free Spins: Trigger these by landing 3 or more Silver Castle Scatters, with the chance for additional spins or enhanced rounds through the Gold Castle Scatter.
  • Win Exchange and Bonus Buy: Offers players the opportunity to gamble or buy their way into the free spins feature, ramping up the excitement and potential for big wins.


The symbols in Castle of Terror are carefully crafted to fit the horror theme:

  • Lower-value Symbols: Classic card symbols (9, 10, J, Q, K, A) that provide smaller payouts.
  • Higher-value Characters: A quartet of characters (Gardener, Maid, Gentleman, Lady) with the Lady symbol being the most lucrative.
  • Special Symbols: Wilds for substitution, and Silver and Gold Castle Scatters for triggering bonus rounds.


The Castle of Terror slot boasts impressive payout potential, highlighted by:

Symbol 3x 4x 5x 6x
Lady $1 $5 $10 $50
Gentleman $0.30 $0.40 $0.50 $1
Maid/Gardener $0.25 $0.30 $0.40 $0.60

The ultimate prize, reaching up to 61,720 times your stake, awaits those who navigate the castle’s shadows effectively.


With 4,096 ways to win, Castle of Terror ensures a multitude of winning combinations across its reels. This expansive approach to paylines offers players more opportunities to win, making each spin a potential adventure in its own right.

Pros & Cons

Pros Cons
High RTP of 96.72% High volatility may not suit all players
Innovative Holy Water feature and free spins rounds Limited bet range from $0.20 to $8
Impressive max win potential of 61,720x stake Complex features may require a learning curve

Minimum and Maximum Bet

The Castle of Terror slot offers a flexible betting range that caters to a wide array of players, with the minimum bet set at $0.20 and the maximum bet capped at $8. This range allows both casual players and those looking to make larger wagers to enjoy the game, ensuring it is accessible to a broad audience.

Game Jackpot

The Castle of Terror slot boasts a formidable jackpot, offering players the chance to win up to 61,720 times their stake. Coupled with an RTP (Return to Player) of 96.72% and high variance, this game promises both thrilling gameplay and the potential for significant payouts. The high volatility indicates that while wins may be less frequent, they have the potential to be much larger, appealing to players seeking high-risk, high-reward gaming experiences.

About Provider

Big Time Gaming, the developer behind Castle of Terror, is renowned for its innovative approach to slot design and its contribution to the online casino industry. Known for introducing the revolutionary Megaways mechanic, BTG has a reputation for creating games that combine high-quality graphics, engaging gameplay, and unique features. Their portfolio is diverse, ranging from high volatility slots with huge win potential to more traditional games, ensuring there’s something for every type of player.

How To Play

  • Step 1: Start by setting your bet size using the arrows or controls provided on the game interface.
  • Step 2: Review the game’s paytable and rules to understand the winning combinations and features.
  • Step 3: Press the spin button to start the game. The reels will spin and then come to a stop, displaying the result.
  • Step 4: Watch for special symbols like Wilds, Scatters, and the unique Holy Water feature to trigger bonus rounds and increase win potential.
  • Step 5: Utilize the Win Exchange and Bonus Buy features if available in your jurisdiction to enhance your chances of entering the free spins rounds.
  • Step 6: Continue playing, adjusting your bet as desired, and enjoy the immersive gameplay and features of Castle of Terror.


Castle of Terror by Big Time Gaming stands out as an engaging and rewarding slot game that combines a captivating theme with innovative gameplay features. Its high RTP, significant jackpot potential, and unique bonus features like the Holy Water and free spins rounds offer a thrilling gaming experience. While the high volatility and complex features may not suit all players, those seeking an exciting and potentially lucrative slot game will find Castle of Terror to be an excellent choice. Big Time Gaming’s reputation for quality and innovation is well reflected in this slot, making it a must-try for fans of horror-themed games and high-stakes action.