Our review of Merlin and the Philosophers Stone cuts through the marketing and looks at what matters: how it plays and how it pays. Arcadem are the studio behind it, tuning the slot game for a high-variance maths model, with 95.7% RTP. If everything lines up, Merlin and the Philosophers Stone can pay up to 5,000x your bet. It's given an engaging visual treatment and plays out on a 5-reel grid running 40 paylines. Let's break down what works and what doesn't.
Written by James Holloway · Last updated: March 2026
At its core, Merlin and the Philosophers Stone is a title produced by Arcadem, finished with a clean, modern look and powered by 5 reels and 40 paylines. The result is high volatility paired with a published RTP of 95.7%.
Where Merlin and the Philosophers Stone 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 Arcadem catalogue.
At 95.7%, 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.
Merlin and the Philosophers Stone 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
Merlin and the Philosophers Stone by Arcadem is a solid offering that delivers good entertainment value. The 95.7% RTP combined with high volatility creates a well-balanced gaming experience.