Our review of Princess of the Deep cuts through the marketing and looks at what matters: how it plays and how it pays. Developed by GMW, Princess of the Deep arrives with a medium low volatility profile and 95.37% RTP. Visually it's wrapped in a princess theme, with the action running on 30 paylines across 5 reels. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. Dating back to 2018, it remains a regular pick. Let's break down what works and what doesn't.
Written by Daniel Chen · Last updated: February 2026
This slot, Princess of the Deep, is the work of GMW, leaning into a princess aesthetic. It runs on 5 reels and 30 paylines with a medium low volatility profile, and a return-to-player rate of 95.37%.
The mechanics are what make Princess of the Deep interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its medium low variance, wins come often enough to suit casual, lower-risk play. Overall it's a well-rounded slot that knows what it is.
At 95.37%, 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.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Princess of the Deep 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.
3.0 / 5 — Good
Princess of the Deep by GMW is a solid offering that delivers good entertainment value. The 95.37% RTP combined with medium low volatility creates a well-balanced gaming experience.