If you're trying to work out whether 9 Hearts is worth your time, this hands-on review breaks it down. Built by Greentube, it lands as a slot game with medium low volatility and an RTP of 95%. Originally released in 2025, it has aged well. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. It's given an engaging visual treatment and plays out on 5 reels and 25 paylines. But is it actually worth playing? Read on.
Written by Sophie Williams · Last updated: March 2026
9 Hearts comes to us from Greentube, finished with a clean, modern look and powered by 5 reels and 25 paylines. The result is a medium low volatility profile paired with a return-to-player rate of 95%.
The mechanics are what make 9 Hearts 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%, 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.
9 Hearts 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
9 Hearts by Greentube is a solid offering that delivers good entertainment value. The 95% RTP combined with medium low volatility creates a well-balanced gaming experience.