Before you load Gorilla for real, spend a couple of minutes on how it genuinely performs. This is a Greentube slot, sitting firmly in the a very high-variance maths model bracket and paying back a return-to-player rate of 95.09%. Top wins are capped at 2,500,000x your stake, a genuinely massive ceiling for the patient. It's finished with a clean, modern look and plays out on a 5-reel grid running 30 paylines. The full verdict is below.
Written by Daniel Chen · Last updated: March 2026
This slot, Gorilla, is the work of Greentube. Presentation-wise it's finished with a clean, modern look, and it leans toward very high variance at a published RTP of 95.09%. Under the hood you'll find 30 paylines across 5 reels.
Dig into the bonuses and Gorilla starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. With very high variance, this one is aimed at players who can ride out the swings for the top wins. Overall it's a straightforward slot that knows what it is.
At 95.09%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Gorilla features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
2.8 / 5 — Average
Gorilla by Greentube provides a straightforward slot experience. While it may not break new ground, it offers very high volatility gameplay that will appeal to certain player preferences.