Rat King Slot Review

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When the workers leave the candy factory, there’s one ruler there – a unique rat.

Top casino to play Rat King
  • Exclusive Bonus
    18+ play responsibly · terms apply · info
  • Slot creator
    Pros & Cons
    Collection boxes
    No wild symbol
    Free spins
    Expensive bonus buy feature
    Scatter pays mechanic
    Solid max win cap of 10,000x the stake

    The Rat King Slot Game

    Step into the factory where some of the tastiest candies and sweets are produced daily. There you will meet the royal rat supervising the night shift. The Rat King slot game has an enjoyable theme I don’t recall seeing anywhere else.

    On the visual side, this game has small, colorful, retro-style icons. It also has a checkered black/blue grid with pipes used as frames. As expected, you’ll find the machines and equipment of the factory behind the gameboard.

    Besides the old-school artwork, you will listen to synth music from the 1980s and early 1990s and sound effects that remind me of old video games. So, everything about this game will remind you of the good old times.

    Symbols and Payouts

    Our Rat King slot review continues with the game’s symbols and payouts. You’re looking at a release with a compact selection of six regular and two special symbols. Whenever you hit winning combos with the Blue Cookies on the reels, you’ll receive 0.5 to 7.5 times your bet. The Donut offers 0.6 to 10 times the stake. Your total bet is multiplied by 0.7 to 12.5 times when you have combos with Ice Cream. The Yellow Cake is here to help you win 1 to 25 times the stake. Your wager is boosted by 1.5 to 37.5 times when the combinations include Pink Cakes. Finally, the Red Gelatin Dessert provides 2 to 50 times the total bet.

    The Dud symbols in the Rat King online slot are icons with no value, while the Star and Rat symbols provide rewards differently. The good thing is that the maximum win is limited to 10,000x the stake. You can visit GoodLuckMate and play the Rat King demo to get a better feel of what this game offers.

    Rat King Slot Bonus Features

    Of course, most players are interested in learning more about the Rat King bonus features. They’ll be happy to read that this game includes several extras.

    Dud Symbols

    Technically, this is not a bonus, but the Dud symbols work differently than any other symbol. They represent valueless grey symbols, and by landing seven or more Dud symbols of the same type on the reels, you will see them removed from the grid, and new ones will take their positions.

    Collection Boxes/Star Symbols

    You will see the Collection Boxed below the gameboard. Also, we have the Star symbols representing multiplier icons with different values. Every Star symbol ending in the lowest reel position is collected in the Collection Boxes on the corresponding reel. Once this happens, the multiplier value is added to the multiplier counter for the specific round.

    On the other hand, the Rat King symbol is also gathered when it lands in the lowest position. This collection adds an increment to the Free Spins meter.

    Free Spins

    As you’ve probably guessed, you’ll need three or more Rat King symbols on the grid to activate 10 to 20 Rat King free spins. Every Rat King symbol you collect in this round will provide three extra free spins.

    Bonus Buy Feature

    Pressing the Star on the main screen will lead you to the Bonus Buy feature that lets you buy free spins for 100 to 500 times your current total stake.

    How to Win at Rat King Slot

    It turns out that winning at the Rat King online slot slightly differs from most slots. Namely, it takes landing at least 7 identical basic symbols anywhere on the grid to get a prize. So, this is a Scatter Pays mechanic release.

    This mechanic usually requires a more compact gameboard which is evident in this title. So, there are 6 reels and 6 rows per reel here.

    Every clickable button in the Rat King slot is on the right, including the play button in the shape of a whitish circle with two white arrows. Click on it to activate a round in this game. You can also use the coins to choose your bet (min. €0.1, max. €100). You can adjust these settings even during the Rat King free-play mode.

    Rat King Slot RTP & Volatility

    Now that you know the symbols, payouts, and bonuses, it’s time to reveal the volatility and RTP. So, the Rat King RTP is96.3%. This is a medium-volatility online slot.

    The Final Thoughts

    The Rat King slot tries hard to be different and succeeds most of the time. I was pleased with the unusual story involving a unique rat royalty and a candy factory. The same goes for the retro-style visuals and music. The Scatter Pays mechanic is much more exciting than the classic paylines and winning ways, in my opinion.

    The guys from Push Gaming also delivered fun and relatively unique features like the collection boxes. Technically, this is a medium-volatility slot with an RTP of 96.3%, which is also uncommon. The game lets you use low and high bets and has an excellent max win cap of 10,000x the bet.

    Slot type
    Video Slots
    Slot bonus features
    Free Spins
    Bonus Buy
    Slot details
    Animals · Fruits & Food
    Push Gaming
    Scatter pays mechanics
    Release date:
    Rat King screenshot
    Rat King screenshot
    Rat King screenshot
    Rat King screenshot
    Andrej Trajkovski
    Andrej Trajkovski
    Last Update: 19 Aug 2023
    Andrej is an experienced writer specializing in online slots. He writes detailed slot reviews for GoodLuckMate, covering gameplay mechanics, graphics, bonus features, and payout potential. Andrej's expert analysis is highly regarded by both casual and serious slot enthusiasts. With his engaging writing style and deep knowledge of the industry, he is an essential contributor to the GoodLuckMate site.
    Nerijus Grenda This article has been Quality Assured by Nerijus Grenda

    Can I play Rat King for free?

    A: Yes, many online casinos offer the Rat King slot in demo mode, allowing players to try it out for free before wagering real money.

    Can I win real money playing the Rat King slot?

    A: Yes, it is possible to win real money from the Rat King slot. As long as you're playing for real money that is, of course. It's important to note that the amount of money that can be won from the Rat King slot, or any other slot game, is based on chance and there is no guarantee of winning.

    Can I play Rat King with bonus money?

    A: Yes, in most cases. Whether or not you can play Rat King with bonus money depends on the specific terms and conditions of the online casino offering the bonus. Some online casinos may restrict certain games, including Rat King, from being played with bonus money, while others may allow it.

    Is the Rat King slot available on mobile devices?

    A: Yes, the Rat King slot is available on both desktop and mobile devices.

    What is the volatility of the Rat King slot?

    A: The Rat King slot has medium volatility, which means that there is a nice balance between the frequency of the payouts and their size.


    What is the RTP of the Rat King slot?

    A: The RTP of the Rat King slot is 96.3%.

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