Castle Builder

Castle Builder slot from Rabcat will have you entranced - build a castle and help the king choose a suitor for his daughters for prize payouts.



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  • Developer: Rabcat
  • Launch year: 2014
  • Available on: tablet (Android, iPad), desktop, mobile
  • Highest stake: 50.00
  • Lowest stake: 0.15
  • Progressive jackpot: No
  • Number of wheels: 5
  • Number of rows: 3
  • Number paylines: 15
  • RPQ (Repayment Quota): 96.47%
  • Highest winnings: 1000.00
  • Developed for: Castle Building

Castle Builder Slot

Castle Builder slot is an online casino game from Rabcat with a fantastic storyline. Featuring 5 reels, 25 paylines and a 96.47% RTP, Castle Builder takes you back to the middle ages. Here, you’ll be tasked with building a series of castles for a king in a land far away, before you subsequently choose a bridegroom for his daughters.

Unlike most online slots, Castle Builder doesn’t award players with any free spins round. However, it will grant you valuable building blocks, as you build the castles in a fantasy kingdom boasting engaging interactive gameplay features.

Castle Builder symbols

  • A king, queen, prince and princess
  • Pouch of gold, treasure chest, jewellery box, locked door
  • An architect is the wild symbol
  • Special symbols are building materials

Castle Builder bonus, free spins & jackpot

Castle Builder slot is devoid of a free spins feature, however, as you immerse yourself in a world of fantasy you will not even notice. Watch out for the wild symbol that is represented by an architect. The symbol can substitute for normal symbols, bar the special building block symbols, to create winning combinations. Furthermore, it is the most lucrative symbol in the game, along with the closed door. Regular winning combinations pay out from left to right, and the fun begins when you land at least two of the building materials on any active payline.

When you land two building block symbols, it will contribute to Castle building which takes place on the left of the reels. The building blocks come in four multiple values: standard, bronze, silver, as well as gold. The more valuable building blocks you have, the more your castle will be worth when it is complete. Once you have finished your castle, the king’s daughter shows up, and the onus is on you to choose a husband for her from three different suitors. Each suitor gives out a different fabulous prize, depending on the castle you’ve constructed, and this is shown underneath the progress bar of Castle Builder slot.

How to play Castle Builder

  • Check the paytable to learn about the game’s features
  • Choose a sum you intend to bet per line
  • Set the number of active paylines
  • Spin the reels by pressing the round red button
  • Press autoplay to spin automatically without interruption
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