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Play’n GO · Slot Review

Merlin Realm of Charm — Full Review & Free Demo

3.6/5
Play for Real →
RTP
96.20%
Volatility
High
Max Win
10,000x
Provider
Reels
5
Paylines
10
Bet Range ($,€,£)
0.10 - 100
Rating
3.6/5
Released
Jun 2024

Merlin Realm of Charm: Slot Overview

Merlin Realm of Charm brings Merlin back in a familiar fantasy setting, this time facing a dangerous enchantress in a 5x3, 10-line video slot from Play'n GO. What stands out here is the design choice to take a classic book-style formula and add sticky expanding symbols in Free Spins. I find the setup easy to read, polished, and clearly aimed at players who still enjoy old-school line play with a modern tweak.

Visually, the game leans into an enchanted forest backdrop, vivid reels, and a short intro scene that builds a little atmosphere before play begins. Compared to the studio's previous work with Merlin, the theme feels consistent rather than new, but the presentation is strong enough. I am not entirely sold on the slot as a fresh theme piece, though it looks and sounds better than many routine book-style releases.

Merlin Realm of Charm: Slot Information

5 reels and 10 paylines keep the structure traditional, with wins landing from left to right on adjacent reels. The betting range runs from 0.10 to 100, the default RTP is 96.20%, and volatility is high. That positions the slot for players who accept longer dry patches in exchange for the chance of a meaningful bonus hit, while the listed top prize reaches 10,000x the stake.

Symbols follow the same split I would expect from this format. Low pays are rune symbols in five colours, while the premium set includes a sword, crystal, apple, and Merlin. The Enchantress is the key symbol because it works as both Wild and Scatter, substituting for regular pays but not for the special expanding symbol used in the bonus.

Symbol Payouts

icon 1
5x100
4x20
3x5
2x0.5
icon 2
5x25
4x10
3x3
2x0.5
icon 3
5x12.5
4x5
3x1.5
2x0.5
icon 4
5x12.5
4x5
3x1.5
2x0.5
icon 5
5x6
4x2.5
3x1
icon 6
5x6
4x2.5
3x1
icon 7
5x4
4x1.5
3x0.5
icon 8
5x4
4x1.5
3x0.5
icon 9
5x4
4x1.5
3x0.5
icon 10
Scatter
5x100
4x20
3x5
2x0.5

Merlin Realm of Charm: Slot Features

3 or more Scatter symbols trigger Free Spins, starting with 5 free spins and a cash prize. Before the round begins, one non-Scatter symbol is chosen at random as the special expanding symbol. The design choice to let me re-roll that symbol once is a smart touch, because it adds a small decision before the feature starts without making the mechanic complicated.

During the feature, the first special symbol to land on each reel becomes sticky and stays in place for the remaining spins. When enough of those symbols appear to form a win, they expand to fill entire reels, and they do not need to be adjacent to create extra payouts. 3 or more scatters add 5 more free spins, and the total can reach 30. That sticky element is the real hook, and it gives the bonus more momentum than a standard book slot.

After any win, I can also enter the Gamble Round and guess a card colour for 2x or a suit for 4x. The feature can be used up to five times in succession. It is a familiar Play'n GO extra rather than a defining mechanic, but it suits players who like to take control of variance after a hit.

Bonus Buy Options

Bonus Buy Gamble Round
Gamble Round
After each win, I can gamble the prize by guessing a hidden card's colour for 2x or suit for 4x. The feature can be used up to five times in a row, and a wrong guess loses the win.
Bonus Buy Free Spins
Free Spins
3 or more Scatter symbols trigger 5 free spins. A random non-Scatter symbol becomes the special expanding symbol, and the first one landing on each reel turns sticky for the rest of the round. The symbol may be changed once before the feature starts, and 3 or more scatters re-trigger 5 extra spins up to 30.

Graphics, Sound, and Visuals

Compared to the studio's previous work, the audiovisual side is confident and well produced. I get a lush forest setting, clean reel visibility, and character art that gives Merlin and the Enchantress enough personality to support the theme. The soundtrack mixes mystical tones with softer natural ambience, and it helps the game feel coherent without overpowering the action.

💬 What Players Say
Review coverage is broadly positive on the sticky expanding symbol in free spins and the polished presentation. The main reservation is that the base game and overall book-style format can feel familiar, with only five opening free spins. Based on 4 reviews.
Ryan Cole’s Verdict

Final Verdict

Merlin Realm of Charm is a sturdy book-style slot with one genuinely useful twist. Sticky expanding symbols in Free Spins give the bonus round stronger build-up than usual, and that is where most of the appeal sits. For players who already like Merlin slots or classic 10-line setups, I think this is an easy one to place on the shortlist.

Still, the base game can drag a bit, and not everyone will enjoy how familiar the wider package feels. I see it as a well-positioned release rather than a bold one. If I wanted a polished fantasy slot with a recognisable structure, high volatility, and a bonus feature that has a little more depth than the standard expanding symbol model, Merlin Realm of Charm fits that brief well.
3.6
★★★★☆
out of 5
✓ Pros
Sticky expanding symbol in free spins
Classic 10-line book-style layout
Optional gamble round after wins
Strong visual and audio presentation
Free spins can re-trigger to 30
✗ Cons
Base game can drag a bit
Theme and mechanic feel familiar
Only five starting free spins
Max win is hard to reach
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
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Merlin Realm of Charm FAQ
How are free spins triggered in Merlin Realm of Charm?
Free spins start when 3 or more Enchantress Scatter symbols land. The feature begins with 5 free spins and a cash prize tied to the triggering scatters.
What makes the free spins round different from a standard book-style bonus?
A random non-Scatter symbol becomes the special expanding symbol, and the first one landing on each reel turns sticky for the rest of the feature. Those expanding symbols do not need to sit on adjacent reels to create extra wins.
Can the special expanding symbol be changed before free spins begin?
Yes, I can re-roll it once before the round starts. That gives one extra shot at landing a more desirable symbol for the feature.
How do re-triggers work during the bonus round?
Landing 3 or more Enchantress scatters during free spins awards 5 extra spins. The feature can build up to a maximum of 30 free spins in total.
Is there a bonus buy in Merlin Realm of Charm?
No bonus buy is mentioned for this slot. The extra options covered are the free spins trigger through scatters and the post-win Gamble Round.