Grug Make Fire is a prehistoric-themed slot from Hacksaw Gaming that channels one of human civilization's most transformative discoveries into a combustible gaming experience.

RTP
96.19%
Volatility
High (4/5)
Max win
10,000x
Layout
5×4
Paylines
14
Bet range
0.1 – 100
Other RTP configurations exist for this game: 94.28%, 92.27%, 86.22%. Casinos choose which to run.
Figures as published by Hacksaw Gaming, founded 2018, Malta. Operators may run a different RTP configuration — check in the game before you play.
Grug Make Fire is a prehistoric-themed slot from Hacksaw Gaming that channels one of human civilization's most transformative discoveries into a combustible gaming experience. The central character is a powerfully built caveman whose permanent scowl suggests he holds a grudge against progress itself. Rendered in thick outlines and blocky stone aesthetics reminiscent of comic books, the world around him teems with cartoonish dinosaurs and volcanic imagery. When the game does arrive at its most ambitious feature, a menacing T-Rex emerges as a visual centerpiece, bringing genuine dramatic weight to the bonus rounds. The overall presentation carries theatrical flair without sacrificing clarity, letting players focus on what matters while maintaining an environment that feels cohesive and deliberately realized. This is a game where visual personality genuinely enhances rather than distracts from the mechanical action.
The slot occupies a standard five-reel, four-row grid populated with fourteen paylines. This configuration supports a flexible wagering structure, accommodating bets as low as ten cents and scaling up to one hundred units per spin. The symbol set divides between low-paying royals rendered as letter combinations and premium animal icons representing the game's supporting cast. Landing five of the low-pay combination delivers a straightforward one times multiplier, while the premium animals reward between two and a half to ten times the stake. Wild symbols occupy the highest spot in the basic pay table, triggering their own ten times multiplier when five land on an active line.
This game carries a high volatility designation, placing it in the upper tier of risk categories. The core mathematical model presents an RTP of ninety-six point nineteen percent, though operators can deploy alternative versions with lower return percentages. The hit frequency settles around twenty-one point forty-five percent, indicating that winning spins appear relatively infrequently, which aligns with the elevated volatility rating. The max winning potential reaches ten thousand times the initial wager, a ceiling that remains accessible regardless of which play mode activates. These numbers establish a solid mathematical framework that balances accessibility with genuine upside opportunity.
The defining gameplay innovation revolves around Burning Wild symbols that function as the primary engine driving volatility and multiplier expansion. When a Burning Wild appears on the reels, it ignites adjacent pay symbols and scatter icons positioned on the same vertical reel. This combustion transforms low-paying symbol combinations into standard wild substitutes, while premium symbols undergo a more sophisticated conversion into Burnt Wild Multipliers carrying values between two times and two hundred times the stake. When these multipliers participate in winning combinations, their values apply to all connected wins, potentially cascading across multiple connected symbol groups. The mechanic functions identically across the base game and both bonus rounds, maintaining mechanical consistency throughout the experience.
Two distinct bonus modes deliver different progression mechanics and risk profiles. The first bonus stage activates from three or more scatters and awards between six and eighteen complimentary spins, retaining all base game mechanics while increasing the probability of landing Burning Wild symbols. During this feature, any new scatter that lands supplies one to three additional spins, with burnt versions of those symbols providing two to four spins instead. The second bonus mode triggers from four scatters and provides eight to twenty-four initial spins, layering in a secondary progression system called the Wildlife Bar positioned outside the main grid. This bar accumulates through qualifying winning symbol occurrences, with twelve symbols required to reach the first level, forty-six for the second, ninety-six for the third, and one hundred fifty for the fourth level. Each level grants a corresponding quantity of Burnt Reels ranging from one to five, which independently burn and transform all symbols on affected columns. A notable wrinkle involves double-burning mechanics: when a Burnt Wild Multiplier undergoes burning twice, its existing multiplier value triples in an instant. Similarly, if a burnt scatter symbol encounters a second burn cycle, its free spin payout jumps to a higher bracket. Feature buys allow players to accelerate triggering either bonus mode, with purchase prices ranging from five times to two hundred times the bet depending on the selected option.
The secondary bonus round genuinely distinguishes itself from the primary features through mechanical depth and dramatic tension. While positive outcomes certainly occur in the base game and the Grug Find Food mode, the Wildlife Bar system transforms Grug Fight Dino into something substantially more compelling. The progressive nature of this bar creates a genuine sense of momentum as players work toward unlocking the next tier of Burnt Reels. When those Burnt Reel multipliers activate and layer across winning combinations, the impact feels meaningfully distinct from standard bonus play. The double-burn tripling mechanic provides a pathway to staggering value accumulation in a single spin, reinforcing the possibility of reaching the ten thousand times maximum win cap exclusively within this feature. The combination of mechanical complexity and visual drama makes this round feel like the true climax of the experience.
Hacksaw Gaming demonstrates a clear preference for wild and multiplier-driven mechanics across its portfolio, yet Grug Make Fire executes this formula with particular ingenuity. The Burning Wild delivery system provides genuine novelty even within a conceptually familiar framework, and the integration of multiplier stacking creates recognizable escalation paths when conditions align properly. The thematic presentation elevates what could have been a generic prehistoric reskin into a cohesive environment with personality and purpose. Some players may find the studio's continued emphasis on wild reel manipulation conceptually exhausted, but the execution here sidesteps that fatigue through clever feature design and satisfying mechanical feedback. The base game and Grug Find Food phase provide steady-state entertainment, yet Grug Fight Dino represents where the design truly flourishes, combining accessibility with the mechanical sophistication required to justify the high volatility profile. For players drawn to multiplier-driven experiences and strong bonus-round emphasis, this prehistoric journey delivers both fiery mechanics and genuine entertainment value beyond simple novelty appeal.
What is the RTP of Grug Make Fire?
Grug Make Fire has a return to player of 96.19%, as published by Hacksaw Gaming. Hacksaw Gaming also ships 94.28%, 92.27%, 86.22% versions, and which one you get depends on the casino. RTP is a long-run average across millions of spins, not a guide to any single session.
Is Grug Make Fire high volatility?
Grug Make Fire is a high (4/5) volatility slot. Wins land less often but pay more when they do, which is what makes it a common bonus hunt pick — and what makes the swings wide.
What is the maximum win on Grug Make Fire?
The maximum win is 10,000x your stake. Reaching it is rare by design — treat it as the ceiling of the maths, not an expectation.
Can I track Grug Make Fire in a bonus hunt?
Yes. Grug Make Fire is in the CasinoHub slot database, so it can be added to a hunt by name, and the tracker carries its figures into your break-even and required-multiplier maths automatically.