


RTP
95.7%
Volatility
Low (1/5)
Max Win
3500.00x
Gates of the Underworld is a low (1/5)-volatility online slot from Penguin King with an RTP of 95.73% and a maximum win of 3500.00x.
Page updated August 2026
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Reviewed by Johnessy
Gates of the Underworld is an online slot from Penguin King, with low (1/5) volatility, a published RTP of 95.73% and a listed maximum win of 3500.00x.
RTP varies between casino configurations and markets, so check the information screen inside the version you are playing. A maximum-win figure is a theoretical ceiling, not a likely result. How these pages are researched and what the recorded play data does and does not show is set out in our editorial policy.
18+ only. Slot outcomes are random and past results do not make a win more likely — set a limit before you start.
Gates of the Underworld has an RTP (return to player) of 95.73%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Penguin King — individual sessions can land far above or below it.
Gates of the Underworld is rated low (1/5) volatility. Low-volatility slots pay out small wins frequently, which keeps your balance steadier but rarely produces huge single spins.
The advertised maximum win for Gates of the Underworld is 3500.00x. Max wins are extremely rare by design — treat them as a ceiling, not an expectation.
Gates of the Underworld is developed by Penguin King and was released in 2025.
Gates of the Underworld plays on a 5×4 grid with 20 paylines.
Specs compiled from provider data