Castle Builder

Play the Castle Builder slot to grow from a building worker to a master builder. Innovative & challenging gameplay with amazing features!


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  • Developer: Rabcat
  • Launch year: 2014
  • Available on: tablet (Android, iPad), Desktop, mobile
  • Highest stake: 50
  • Lowest stake: 0.01
  • Progressive jackpot: No
  • Number of wheels: 5
  • Number of rows: 3
  • Number paylines: 15
  • RPQ (Repayment Quota): 96.47%
  • Highest winnings: 200
  • Developed for: Medieval theme

Castle Builder Slot

Brave builders, prepare for a slot journey of a lifetime! If you are up to the challenge to build the best castle, you can even win the hand of a Princess! Fans of epics will feel at home in Castle Builder Slot, an innovative casino slot game by Rabcat with 5x3 reels, 15 paylines, and an RTP of 96.47%.

Even though there are no free spins, Castle Builder has a lot to offer for a fun experience. It has an interesting RPG feature which makes it one of the most innovative new slots. Build a castle by spinning the reels and unlock new features.

Castle Builder Symbols

  • Building material symbols can be standard, bronze, silver or gold
  • Low-paying symbols are court characters: maid, prince, princess and king
  • High-paying symbols are different types of treasure
  • The architect is the wild symbol

Castle Builder bonus, free spins & jackpot

Castle Builder slot will take you on an epic adventure set in three kingdoms using stunning visuals and an amazing musical score. Alas, there are no free spins, but the progress based gameplay makes up for that. To build the castles for the nobility, you will need materials - and for that, you will need to land 2, 3, 4, or 5 building material symbols, coming in four varieties - ­standard, bronze, silver, and gold. And the more valuable materials you collect, the higher will be the value of the castle! The architect wild can’t substitute for the building materials, but it can substitute for any other symbol to form combinations.

After the castle is built, it’s time for the princess to choose one of the available suitors, Royal Wedding feature. But, they are tricky and unwilling to talk about their financial status before the marriage is sealed. Only then you will discover if the groom is poor, average or rich, resulting respectively in small, medium or large bonus wins. After that, your task is complete, and you are prepared to take on the next challenge, building the next castle and earning more riches and status. The interactive gameplay and sense of progress are what makes Castle Builder so challenging and innovative.!

How to play Castle Builder

  • Check out the paytable for the list of payouts and features
  • Determine the number of lines to bet on, from 1 to 15
  • Set the sum to bet per line anywhere between £0.01 and £1.00
  • Set up to 500 auto spins
  • Click the start button to kick off the adventure
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