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Kings of Crystals Slot Free Play

Theme of The Game

The fantasy genre isn’t one that you’d struggle finding in slot machines, and yet players still find it enjoyable. One of the slots using this sort of look is Kings of Crystals. The story is not the usual one, and it appears that there is a search for powerful crystals, and we see three kings in the roles of those doing the searching. Its graphics look fine, placed in a medieval setting, where we see a castle as part of its background.


Moving back to the reels, we see the lower value symbols taking the form of Royals, all made out of the same type of metal, and with a Gothic-style design. The higher paying symbols show us the three kings, and also silver goblets and a knight’s steel glove. You’re also going to notice crystals appearing on top of crowns, and images of W for its wilds.


All41 Studios is one of the many small developers working to provide Microgaming with a steady supply of exclusive slot machines. The two have done a good job so far, and you will find other games where they worked together, if you check out All41 Studios and their collection.

Our Rating: 0/10   

Kings of Crystals

Provider: Microgaming Reels: 5 Paylines: 100 RTP: 96.4% Free Spins: YES Bonus Rounds: YES Jackpot: NO

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How to Play

Kings of Crystals Slot Free Play

How To Play It

A wager of $0.20 will trigger the next spin, but it could be higher if necessary, since the maximum bet allowed is $20.


The setup is relatively standard initially, and you get 5×4 reels with 40 paylines. As you will find out, some features can lead to larger reels, of up to 6 symbols each, with up to 100 lines active.

Special Features

With a purple background, and golden decorations, the W logo is easy to spot on the middle three reels, when it does show up. As you maybe guessed already, this one is going to act as the wild symbol, so all sorts of regular combinations will find it just a bit easier to form when they’re around.


A major part of the slot’s features takes the form of the three crystal meters, to which you contribute with any crystal crowns that show up on the reels. Depending on which one you fill up, there are several modifiers that could activate, for a number of free spins. It’s even possible to have all modifiers active at the same time, if the meters get filled in the same spin.


  • 5 free spins and Nudging Wilds. The game is played with 100 lines, on 5×6 reels, and you will get stacked wild symbols as well. These wilds are nudged, so they always cover the full reel.

  • 10 free spins and access to a Jackpot bonus game. Up to 10,000x the stake could be paid.

  • 5 free spins where you have random multipliers, with possible values in a range from 2x to 10x.

Maximum Payouts

Kings of Crystals is capable of paying up to 10,000x the round’s wager, a fair amount in any slot machine that has high volatility. Whether it’s through the increased number of lines, or up to 10x multipliers, or even the Jackpot bonus game, you get several ways to win big in this slot, but they all require that you first fill up those Crystal meters.


Watch out for the Return to Player. The range offered culminates at a 96.40% high point, but lower options are also used.


Kings of Crystals can be a good game, but first you need to reach its main features. The base game doesn’t come close to the payouts that are possible once you reach its free spins.

Video of Game Play

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