If you're trying to work out whether Diamond Tales The Little Mermaid is worth your time, this hands-on review breaks it down. This is a Greentube slot game, sitting firmly in the medium variance bracket and paying back a return-to-player rate of 95%. It's leaning into an ocean and mermaid aesthetic and plays out on a 5-reel grid running 20 paylines. If everything lines up, Diamond Tales The Little Mermaid can pay up to 5,000x your bet. Dating back to 2023, it remains a regular pick. The full verdict is below.
Written by Rachel Kim · Last updated: January 2026
At its core, Diamond Tales The Little Mermaid is a release produced by Greentube, built around an ocean and mermaid theme. It runs on 20 paylines across 5 reels with a medium volatility profile, and a published RTP of 95%.
Dig into the bonuses and Diamond Tales The Little Mermaid starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium volatility strikes a middle ground that should suit most playing styles. On balance, Diamond Tales The Little Mermaid is a dependable option worth a few spins in the demo first.
At 95%, 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.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Diamond Tales The Little Mermaid 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
Diamond Tales The Little Mermaid by Greentube is a solid offering that delivers good entertainment value. The 95% RTP combined with medium volatility creates a well-balanced gaming experience.