Rat King Slot Review
Push Gaming’s entry into the scatter pays category, Rat King, marks a significant departure from the developer’s traditional payline-based approach. Released in July 2023, this 8-bit retro-themed game combines 1990s nostalgia with contemporary feature mechanics, creating an experience that appeals to both players seeking familiar aesthetics and those chasing innovative gameplay. The 6×6 grid layout, paired with pay-anywhere win mechanics, positions Rat King as a standout release for players who appreciate a softer volatility experience.
Base Game & Features
Rat King operates on a 6×6 grid with a pay-anywhere mechanic, meaning winning combinations form when seven or more matching symbols land anywhere on the reels. Rather than traditional paylines, the scatter pays system emphasises cluster-based wins. The game employs cascading reels, where winning symbols are removed and replaced by new ones, potentially creating additional wins within a single spin. This mechanic generates momentum through natural win building without requiring trigger-specific conditions.
The base game features several distinct modifiers that activate during regular spins. Star Multipliers display random multiplier values ranging from 2x to 500x, with these values accumulated in a Multiplier Counter that persists across spins. When matching symbol clusters land, they’re multiplied by the accumulated total, creating potential for substantial payouts even during base gameplay. The multipliers don’t reset between spins—they remain active until new multiplier symbols appear to reactivate the counter.
Collection Boxes represent another core mechanic. When Rat King symbols land in the bottom-most position on the grid, they’re collected in boxes, each adding increments to the Free Spins Meter. This dual-track progression system means that even without triggering free spins immediately, players are consistently advancing towards the bonus round. The combination of cascades, multipliers, and collection mechanics creates layers of engagement that reward extended play sessions.
Rat King Free Spins & Bonus Features
The Free Spins round activates when players collect 3, 4, or 5 Rat King Scatter symbols, awarding 10, 15, or 20 free spins respectively. During the bonus round, the cascading mechanic remains fully active, and additional Rat King scatters that land award +3 bonus spins, allowing for potential retriggers that extend gameplay. The critical innovation during free spins is that Star Multipliers persist throughout the entire bonus round. Rather than resetting after each spin, multipliers remain in the counter and accumulate, creating escalating win potential as the bonus progresses. This persistence mechanism—distinct from many competitor titles—is the defining feature that generates excitement during extended free spins sequences.
For players outside the UK, Bonus Buy functionality is available at three price points: 100x your bet (10 spins, 96.58% RTP), 250x your bet (15 spins, 96.36% RTP), or 500x your bet (20 spins, 96.93% RTP). The highest cost tier delivers the strongest return, making the feature attractive for players seeking direct access to the bonus round. The option to purchase entry removes reliance on scatter frequency, providing an alternative pathway for those with limited play time or patience for trigger-dependent mechanics. Players within the UK cannot access bonus buy due to Gambling Commission regulations.
Push Bet represents an optional enhancement feature. By increasing your stake by 20%, Push Bet raises the RTP from 96.30% to 96.34%, subtly improving long-term returns. The feature appeals to players seeking incremental edge gains without dramatic stake increases, offering a middle ground between standard and bonus buy pricing strategies.
Our Honest Verdict
Rat King represents Push Gaming’s successful venture into the scatter pays category, blending retro aesthetics with contemporary feature depth. The 8-bit visual presentation—inspired by 1990s video games with pixelated graphics and punchy electronic audio—positions the game as a clear differentiator in a market saturated with polished modern design. The feature architecture, particularly the sticky multiplier system and cascading reels, builds winning momentum naturally rather than relying on artificial trigger mechanics.
The maximum win potential of 10,000x is achieved through the combination of collection mechanics, multiplier accumulation, and cascading reels during extended bonus sequences. Community testing confirms that substantial wins appear most frequently during the final spins of bonus rounds, where multiplier persistence generates the most dramatic payouts. The medium volatility profile—reflected in balanced win frequency and moderate win sizes—makes the game accessible to extended play sessions without the frustration of prolonged dry spells. However, this same balancing means players seeking consistent high-frequency payouts may find longer stretches between significant wins.
The retro theme stands as both strength and limitation. For players with affinity for 1990s gaming aesthetics, the visual presentation creates immediate appeal and differentiation from contemporary competitors. Those less inclined towards pixelated graphics might find the aesthetic divisive, though the core gameplay mechanics hold sufficient depth to appeal beyond pure thematic resonance. The collection box mechanic—requiring deliberate symbol positioning for progression—adds tactical engagement but may feel like additional friction to players expecting more straightforward bonus triggers.
Push Gaming’s willingness to step outside their traditional payline-based framework demonstrates genuine innovation and market adaptability. The game delivers solid feature implementation, competitive RTP across five selectable tiers (ranging from 88.19% to 96.93% depending on configuration), and sufficient mechanical complexity to reward extended engagement. Rat King suits retro gaming enthusiasts, scatter pays specialists, and players favouring balanced volatility with feature-driven win potential. Those seeking high-intensity gameplay or contemporary polished graphics should consider alternative titles. The game is fully mobile-optimised and plays smoothly across iOS and Android devices without requiring application downloads.
Rat King FAQs
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What is the RTP of Rat King slot?
Rat King has a default RTP of 96.30%, with five operator-selectable alternatives ranging from 88.19% to 96.34%. The highest RTP of 96.34% is achieved with Push Bet active (20% bet increase). Additional RTP variants are available for Bonus Buy options: 96.58% (100x cost), 96.36% (250x cost), and 96.93% (500x cost). -
What is the maximum win on Rat King?
The maximum potential win on Rat King is 10,000x your stake. This is achieved through the combination of cascades, star multipliers (up to x500), free spins, and bonus buy features during extended play. -
Does Rat King have free spins?
Yes, Rat King features Free Spins triggered by collecting 3, 4, or 5 Rat King scatter symbols for 10, 15, or 20 free spins respectively. During the bonus round, additional Rat King scatters award +3 bonus spins. Additionally, multiplier values do not reset between spins during free spins, only becoming inactive until reactivated by new multiplier symbols. -
What is the volatility of Rat King slot?
Rat King has medium volatility, meaning players can expect moderate win frequency with balanced win sizes throughout extended play sessions. Medium volatility indicates a balanced mix of lower and higher payouts at regular intervals. -
Who developed Rat King slot?
Rat King was developed by Push Gaming and released on July 27, 2023. It marks Push Gaming’s first venture into the pay-anywhere/scatter pays slot mechanic genre, combining innovative gameplay with an 8-bit retro design inspired by 1990s video games. -
Does Rat King have a bonus buy feature?
Yes, Rat King offers a Bonus Buy feature available to players outside the UK (per UKGC gambling regulations). Players can buy directly into free spins for 100x (10 spins with 96.58% RTP), 250x (15 spins with 96.36% RTP), or 500x (20 spins with 96.93% RTP) their bet. -
What makes Rat King different from other Push Gaming slots?
Rat King is Push Gaming’s first scatter pays/pay-anywhere slot, combining an 8-bit retro video game aesthetic with innovative gameplay mechanics including star multipliers (up to x500), collection boxes, cascading reels, and dynamic multiplier accumulation—features distinct from their traditional payline-based slots. -
Can I play Rat King on mobile?
Yes, Rat King is fully compatible with all mobile devices including smartphones and tablets. Built with HTML5 technology, you can play directly through your mobile web browser on iOS and Android devices without requiring an app download. The game is mobile-optimised and plays smoothly across all major mobile platforms.
