Castle Builder Slot Online

Castle Builder Free Spins



Casino:Plaza Royal Casino

Castle Builder Review

A splendid slot machine which is really complex and fun to play at the same time. Become a great castle builder and be rewarded with outrageous amounts of cash!

The theoretical RTP percentage of the game is 96.47%. As you progress in the game, you will advance on the map and build bigger and more valuable castles. Furthermore, the 5×3 grid layout holds 15 active paylines. The building symbols contributing to a winning combination will fill up the build meter and will help towards building the castle. WILD symbol (Carpenter) replaces everything except the building symbols.


Upon succesfully building the castle on each stage, a wedding will take place. You must select one of 3 admirers to wed the king’s daughters. Additionally, each admirer can have various instant cash prizes hidden.


As you progress with castle building, you will be promoted in rank as a result.


Very difficult to obtain but they are highly rewarding! Instant cash prizes can be awarded upon reaching an achievement.

To conclude, this is one of the most spectacular and entertaining slot machines we have tried so far. Kudos to the producers of the game (Rabcat)!


  • Amazing features.
  • Really fun to play.
  • Rewards are decent.


  • A bit heavy on the graphics.


Castle Builder Casinos

  • 10 Free Spins No Deposit on Starburst Sign Up Bonus from Skol Casino
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    18+. New Players only. One bonus offer per player. Min dep £20. Max bonus bet £5. Bonus funds must be used within 30 days & bonus spins within 10 days. Spins valid on Starburst only. Offer consists of: 1st dep: 100% up to £300 & 100 spins, 2nd dep: 75% up to £300 & 75 spins, 3rd dep: 50% up to £300 & 50 spins, 4th dep: 25% up to £300 & 25 spins, 5th dep: 100% up to £100. The 100 spins triggered on your 1st dep are credited at a rate of 25 spins per day over 4 days. Bonus spins winnings credited as bonus funds & capped at £50. For the 1st dep offer, this winning cap shall be applied to each set of 25 spins. Bonus funds separate to Cash funds and subject to 35x wagering. Terms apply.
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    18+. New players only. One Welcome Package per player. Max Bonus Bet £5. Get 3 Bonus spins for every £1 deposited up to 165 spins for each of your first 5 deposits. Min. deposit is £20. All spins are on Book of Dead only. Bonus funds must be used within 30 days and bonus spins within 10 days. Spins winnings credited as bonus and capped at amount equivalent to number of spins awarded. Bonus funds separate to Cash funds, and are subject to 35x wagering and withdrawal requirements. Terms Apply.
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Castle Builder FAQ

  • Where to play Castle Builder?

    We recommend playing Castle Builder with the following casinos Plaza Royal Casino, Fansbet UK Casino, Skol Casino, CasiGO, Hopa Casino

  • Where can I get Castle Builder free spins?

    You might find free spins for Castle Builder at those casinos Casino Cruise, 888 Casino, Sloty Casino, Agent NoWager, Fresh Casino

  • What is the Castle Builder slot RTP?

    The RTP for Castle Builder is 96.5%

  • Who made Castle Builder?

    Rabcat is the studio who made Castle Builder

  • Can I play Castle Builder for free?

    If you want to play Castle Builder for free you are at the right place. Slotscalendar is offering a free version of Castle Builder

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