Post Published: June 28, 2023
Author: Chlo


Scored by our Casino Expert Chloe

Rat King (Push Gaming) – Slot Review

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Push Gaming, the provider, transports us back in time to the golden age of retro video games with Rat King. The game’s art style, sound effects, and overall ambiance successfully invoke a nostalgic retro feeling. The backdrop is set in an underground factory, replete with a massive vat of purple goo and symbol-laden boxes piled high. Conveyor belts flank both sides of the scene, and a forklift stands ready against a purple-bricked wall.

The game’s symbols comprise a variety of mouth-watering treats, including cakes, donuts, and jellies. The Rat King himself graces the reel set, serving as a scatter symbol. What I find truly remarkable is the unique direction Push Gaming has taken with Rat King, deftly weaving retro aesthetics into every facet of the game. It’s a testament to their ability to innovate and create a captivating gaming experience.

Rat King operates on a grid of 6 reels by 6 rows and offers pay outs for clusters of 7 or more symbols. This high volatility slot comes with a return to player (RTP) value of 96.30% and a maximum win potential of 10,000x your stake. The betting range is from £0.10 to £100.

Rat King Symbols & Pay Table

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The game incorporates 8 symbols in total, of which 3 are low-value symbols represented by Blue Macaroons, Purple Donuts, and Orange Ice Lollies. Additionally, there are 3 high-value symbols depicted by Yellow Flans, Pink Cake Slices, and Red Jellies. Aside from these regular symbols, the game also includes a Star Symbol and a Rat Symbol. The highest paying symbol is the Red Jelly, which yields 2x to 50x for clusters ranging from 7 to 20+. The Rat King Symbol functions as a Scatter Symbol.

Rat King Features & Mechanics

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Dud Symbols are grey, valueless symbols, and matching 7 of a kind will eliminate these, allowing new symbols to cascade onto the grid.

Star Symbols fall into the collection boxes positioned at the bottom of the grid. Upon collection, the Star Symbol Multiplier is added to the multiplier tally for that particular spin. The Rat King Symbol is also collected when it lands on the bottom row, incrementally filling the Free Spins meter.

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Upon collecting 3, 4 or 5 Rat King Symbols during a base game spin, the Free Spins feature is triggered, rewarding 10, 15 or 20 Free Spins. During these spins, the multiplier accrued from collected Star Symbols remains active and doesn’t reset between spins. An additional 3 spins are granted when a Rat King Symbol is collected. When a Star Symbol is collected, its multiplier is added to the counter, which in turn multiplies the total win for that spin. However, the Multiplier remains dormant until another Multiplier is added to the counter. This feature can be purchased for 50x, 125x or 250x for 10, 15 or 20 Free Spins.


In essence, Rat King presents players with a unique blend of nostalgic visuals and contemporary mechanics, culminating in a thrilling gaming experience. The gameplay distinguishes itself from conventional slots, incorporating a ‘pay anywhere’ system for symbols and the addition of collection boxes positioned at the bottom of the reel set. The game also features a variety of bonus buy options and a progressive multiplier that becomes particularly significant during the Free Spins feature. Be sure to try out the game for yourself and check out our exclusive casino offers.