Castle Builder II - Slots review

Mobile and online Game review - Microgaming
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GAME TEST / Castle Builder II
event_note Published on 07 Apr 2023
created Updated 07 Apr 2023
person By Sophie Couard

MicroGaming presents the second instalment of Castle Builder which promises you the chance at even more building, more love and more winnings! Castle Builder II invites you to choose from three different avatars with different skillsets to explore a huge game world, collect the best materials to win big prizes, gain experience and unlock hidden secrets. This 5-reel, 3-row and 15 fixed paylines slot offers you the chance at up to €10,000 on a payline!

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Building castles

The slot has some real colourful and creative graphics with the variety of backgrounds that might include canyons and tree covered hills. The regular symbols from lowest to highest start with wood, going on to brick, granite, iron ore, a ring, gold bar, treasure chest and crown. The sound effects are tilted towards outdoor sounds, with the sound of crickets and birds amongst the audio that you will hear. The other sounds might be heard after a winning payline is formed or a feature is triggered.

Castle Builder II slot machine review


Read our review of Dragonz from the same provider.

Wilds, scatters, free bonus game, cup challenge and other

Included in the slot is a wild symbol which corresponds to the avatar that you have chosen and substitutes for other symbols with Sam and Mandy avatars appearing on the 1st to 5th reels. The wild Horde symbol of Igor is a wild symbol which expands over an entire reel and can appear once on the 1st to 5th reels or on the 1st and 5th reels simultaneously. If you play with Mandy, the game comes with a free spins scatter with three or more unlocking the free bonus game where 3, 4 or 5 scatter symbols unlock 10, 15 or 20 free spins.

Castle Builder II slot machine free spins


The default game mode is the Cup Challenge. It includes 4 cup challenges that are the bronze, silver, gold and diamond. The Cycle Premium reward is yours on completion of the silver or higher cup challenges. By completing the bronze cup challenge the Free Building Mode is unlocked where you decide what castle to build. When completing a Kingdom you return to the world map to choose your next destination to unlock. There are 15 kingdoms in the game with the first two unique to the avatar that you have chosen. Keep in mind 9 Kingdoms need to be finished to complete a Cup. The Kingdom Map invites you to select a construction site for your castle. Your goal is to complete all castles in all Kingdoms. By completing a certain number of castles you unlock the next kingdom. The castle is built from wood, brick, granite and iron ore and you collect the building material from winning paylines with 3, 4 or 5 on a payline rewarding you with 1, 2 or 3 building materials. The slot also includes a bonus pot that you build-up over the building process. The slot allows you to accomplish a large number of achievements that include player rank, completed castles, kingdoms completed and cups completed which are displayed in the Achievement Tab.


Final words

Castle Builder II slot is different from conventional slots and though it may take a bit of time to learn the game, the differentiating features make this one of the slots that sticks out from the pack. You can find the full game rules when you enter the game which in turn can be found by visiting the casino.


Read our review about Lost Vegas online slot machine from the same provider and start playing today!

game background Castle Builder II

Castle Builder II