Before you load 4 Stones for real, spend a couple of minutes on how it genuinely performs. Developed by Adell, 4 Stones arrives with a high-variance maths model and an RTP of 95.98%. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. You get 5 reels and 20 paylines, all built with crisp artwork and atmosphere. Dating back to 2023, it remains a regular pick. The full verdict is below.
Written by Sophie Williams · Last updated: January 2026
4 Stones comes to us from Adell, given an engaging visual treatment. It runs on a 5-reel grid running 20 paylines with a high volatility profile, and a published RTP of 95.98%.
Where 4 Stones earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. All told, it's a solid entry in the Adell catalogue.
At 95.98%, 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.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
4 Stones 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
4 Stones by Adell is a solid offering that delivers good entertainment value. The 95.98% RTP combined with high volatility creates a well-balanced gaming experience.