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Castle of Terror Casino Game

Castle of Terror Slot Logo Kong Casino

Enter the grounds of the Castle of Terror and evade the darkness for a chance to win up to 61,720x your stake.

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Castle of Terror Game Overview

The bet sizes available in the Castle of Terror slot game range from £0.20 to £3.

The Castle of Terror slot online has 6 reels, 4 rows, and 4,096 winning ways.

To form winning combinations, land 3 or more matching symbols on consecutive reels from left to right.

Log in or register an account at our UK casino site, Kong Casino, to play the Castle of Terror online!

How To Play Castle of Terror

Are you ready to discover what manner of horrors the Castle Of Terror online slot has in store for you? Then below is a simple how-to guide: 

  • Log in to your Kong Casino account or register if you still need to become a member.
  • Launch the game and click continue to go to the main screen.
  • Use the arrows on the Stake button to place your bet.
  • Choose from a minimum bet of £0.20 to £3 per spin.
  • For more information, click on the 3-bar button before you spin the reels. It will open up the paytable for available symbol payouts, features, and sound settings.
  • Then press the Spin button to spin the reels.

Wild Symbol

The characters become wild symbols through the Holy Water feature. Wilds can substitute for all other symbols, except the scatter symbols, to help you complete potentially winning combinations.

Holy Water Feature

The Holy Water feature may activate at random, splashing on 2 or more positions in the middle 4 reels. 

If the Holy Water lands on any of the 4 main characters, it transforms them into wild symbols. They will then the multiplier by +1 for that spin, applying to any winning combinations payouts.

Free Spins Feature

The Free Spins feature activates if you land 3, 4, 5, or 6 scatters on reels 1 to 5. Once active, you will receive 12, 15, 18 or 21 Free Spins.

The Holy Water feature is active throughout the Free Spins feature. That means you can play your Free Spins with an increasing win multiplier and wild symbols. With the wild symbols, you have a higher chance of creating a winning combination.

Because the multiplier is progressive, it could reach 20x and above. If your multiplier reaches 20x your stake, you will receive 6 extra Free Spins.

Enhanced Free Spins

The Enhanced Free Spins feature activates if 1 of the triggering scatters is a Golden Castle scatter. These Free Spins work the same as regular Free Spins. 

However, instead of a 1x initial multiplier, the Enhanced Free Spins have a 2x multiplier, and it increases by +2 every time instead of +1. Reaching a 20x multiplier will add 6 extra Free Spins to your tally.

Win Exchange Feature

With the Win Exchange feature, if you win 100x your stake or higher, you can trade 100x your stake for 12 Free Spins.

But, if you have between 25x and 100x your payout bet, you can exchange it for a gamble for 12 Free Spins.

However, if you lose the gamble, you still lose all your wins, and the feature ends.

Castle of Terror RTP

Return To Player (RTP): 96.72%

The RTP is a theoretical value and is shown as a percentage. It’s used to describe the percentage of money wagered a particular casino game may pay back to players over a certain period of time.

For example, if a game had a RTP of 92%, in theory, this would mean that for every £100 wagered, the game could return £92 back to players in potential winnings. However, it is important to note that winnings are completely random, and players are not guaranteed to receive this.


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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time.