Gorilla Mayhem
Certified by the HGC (HGC-005157-TM)
Data source: iGaming Tools (17 July 2026)
Free play · rotates to fullscreen
Demos are only available to people aged 21 and over.
Demo provided by the game studio via iGaming Tools. Free play only, no real money.
How it playsHow Gorilla Mayhem plays
This page is compiled from the provider’s published data and the HGC register. It is not a review: we have not tested Gorilla Mayhem yet, so it has no score.
Gorilla Mayhem is a Pragmatic Play slot with 5 reels and 4 rows. It was released in July 2022. It is themed around animals.
It is certified by the HGC for online play in Greece, certificate HGC-005157-TM; last updated in the register on 15 November 2023.
Gorilla Mayhem combines free spins and bonus buy. 71 other slots of the 593 with data in our catalogue have exactly the same combination.
RTP 96.5%: what it means
With an RTP of 96.5%, the house edge on Gorilla Mayhem is 3.5%: of every €100 staked in total, on average €96.50 comes back as wins over the long run. It is not a forecast for one session: over a few spins everything is chance, and over time the edge stays with the casino.
That equals the median RTP (96.5%) of the 593 slots with data in our catalogue. Across the 507 Pragmatic Play slots we track, the median RTP is 96.5%. 96.5% is the default value published by Pragmatic Play; a casino may offer Gorilla Mayhem in a version with a different RTP, so check the game’s info screen.
Volatility: high
The provider rates the volatility of Gorilla Mayhem as “high”. Wins are rarer and concentrated in the bonus rounds. Long losing stretches are expected, so a balance can run out quickly.
Of the other 506 Pragmatic Play slots in our catalogue, 434 share this level with Gorilla Mayhem.
Max win: 5,000×
The top prize on Gorilla Mayhem is 5,000× the stake, i.e. €5,000 at a €1 stake. It is a theoretical cap: most sessions end without coming anywhere near it. That is below the median (7,500×) of the 544 slots in our catalogue that publish a max win; 296 are higher.
Bet range
The provider does not publish a bet range for Gorilla Mayhem in our data source; the minimum and maximum stake are shown in the game’s info screen at the casino.
Bonus features
Free spins
Usually triggered by scatter symbols, they give you spins you are not charged for; their wins are credited to your balance as normal. In Gorilla Mayhem it comes together with bonus buy. Found in 489 of the 593 slots with data in our catalogue and in 416 of Pragmatic Play’s 507.
Bonus buy
The bonus round can be bought outright at a price that is a multiple of the stake — often tens or hundreds of times. That means much more money is staked in a short time; whether it is offered depends on the casino. In Gorilla Mayhem it comes together with free spins. Found in 450 of the 593 slots with data in our catalogue and in 394 of Pragmatic Play’s 507.
Frequently asked questions
What is the RTP of Gorilla Mayhem?
The RTP of Gorilla Mayhem is 96.5%, according to the provider (Pragmatic Play). That is a house edge of 3.5% over the long run; a single session can differ a lot.
Is Gorilla Mayhem certified in Greece?
Yes. The HGC has certified Gorilla Mayhem for online play, certificate HGC-005157-TM (last updated in the register on 15 November 2023). You can check it with the “Is this slot certified in Greece?” search on frut.gr or in the HGC’s public register.
What is the max win on Gorilla Mayhem?
5,000× the stake, according to the provider. It is a theoretical ceiling that is reached very rarely.
How volatile is Gorilla Mayhem?
“High”, according to the provider. Wins are rarer and concentrated in the bonus rounds.
What bonus features does Gorilla Mayhem have?
According to the provider: free spins and bonus buy.
Can I play Gorilla Mayhem for free?
Yes, in the demo on this page, with play money and only after confirming you are 21+.
Similar slots
Gorilla Mayhem compared
The most closely related slots in our catalogue, by provider, volatility, theme and features:
| Slot | RTP | Volatility | Max win | Grid |
|---|---|---|---|---|
| Gorilla Mayhem | 96.5% | high | 5,000× | 5×4 |
| African Elephant | 96.04% | high | 15,000× | 5×4 |
| Barnyard Megahays Megaways | 96.5% | high | 10,000× | — |
| Bear Crazy | 96.52% | high | 3,900× | 5×4 |
Compared with African Elephant (Pragmatic Play), Gorilla Mayhem has an RTP 0.46 points higher, the same volatility and a max win 3 times lower. Both have free spins and bonus buy.
Compared with Barnyard Megahays Megaways (Pragmatic Play), Gorilla Mayhem has the same RTP, the same volatility and half the max win. Both have free spins and bonus buy. Only Barnyard Megahays Megaways has multipliers, cascades and Megaways.
Compared with Bear Crazy (Pragmatic Play), Gorilla Mayhem has an RTP 0.02 points lower, the same volatility and a max win 1.3 times higher. Both have free spins and bonus buy. Only Bear Crazy has multipliers and expanding wilds.