Merlin’s Grimoire
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Merlin’s Grimoire
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Merlin’s Grimoire Slot Review

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How to play Merlin’s Grimoire mobile slot

Arthur move aside, Merlin is the star as he searches glory and power in a 243 ways to win game with split symbols and expanding scatter pays in this Merlin’s Grimoire slot machine.

Play’n GO’s Arthurian collection may have started with the Rise of Merlin slot, a copy of the Book of Dead slot, but it has moved on leaps and bounds with each new addition, adding a sparkle of magic each time.

The Merlin’s Grimoire slot online starts with 243 ways to win, but the split symbol mechanics allows for up to 7,776 ways to win in the free spins, with a wild scatter that triggers 10 spins with expanding scatter pay symbols. This is a high variance game with a surprisingly high RTP of 96.2% considering the top win of 30,000x your bet.

So what’s the catch? Is there some dark magic on these five reels that make it impossible for you to win? No. But you do have to have a little patience, and the ability to know when to strike to get as many ways to win whilst conserving your budget.

The Merlin’s Grimoire slot split symbol reels

The good news is that you can get split symbols in the base game on reels 2, 3, and 4. These light up randomly, and when they do, all the symbols for that spin on that reel will now be split, giving you twice the amount of ways to win.

That’s how you get the majority of your wins on this Merlin’s Grimoire mobile slot. The paytable, as it stands, isn’t particularly high. You have 6 low-paying magic runes as low paying, whilst a magic scroll, potion, staff, and Merlin himself fill the highest paying symbols on the reels.

But it’s the grimoire (aka. the book, see what they did there? Book of… Grimoire…) that will give you the majority of the wins as the wild scatter symbol. Not only can it be used to replace other symbols on the reels but it triggers these free spin bonuses.

Win 30,000x your bet in the Merlin’s Grimoire online slot

Much like in the Lord Merlin and the Lady of the Lake slot, all the big wins are in the free spin bonus. You’ll catch 10 free spins where one symbol will be chosen as the expanding scatter pay.

However, the big difference here is that now, all 5 reels can show split symbols, giving you a changing number of ways spin to spin, with one symbol always expanding and paying on all payways.

It’s as if the Book of Ra slot and the Bonanza Megaways game had a baby and put it inside a free spin bonus. It’s exciting and with that high a top win (and no multipliers) you’ll be glad even if you win half of the top amount.

That’s a big recommendation from us at any good Play’n GO slots casino.

Game Screenshots

Merlin’s Grimoire slot stats

Mobile Slot releasedJuly 2022
Slot typeVideo Slot
SoftwarePlay'n GO
Slot reels / paylines5 Reels / 243 Paylines
House edge / RTP3.8% / 96.2%
Slot volatilityMedium/High
Min/Max bet0.10 / 100
Max win3,000,000 or 30,000x your bet
Free spins10 Free Spins / Expanding Scatter Pay
Bonus roundsSplit Symbols, Expanding Reels, Scatters, Wild, Expanding Scatter Pays, Free Spins
Slot ThemesFantasy
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Bonus Features

Split Symbol Reels: In the base game, reels 2, 3, and 4 can light up and all the symbols will now come split. This gives you the potential for more ways to win. In the free spins, all reels can have split symbols, leading to a 7,776 ways to win slot.

Wild Scatter: The Wild Scatter Book can land on any reel, and replace any symbols to create a win. 3 or more will trigger 10 free spins.

Before the free spins, a symbol is chosen from the paytable to become a special expanding scatter pay for the whole free spins. These symbols will expand to cover all positions on the reels it lands and pay like a scatter - they do not need to be on adjacent reels to pay.

You can re-trigger the free spins with 3 scatters on the reels, up to a maximum of 5 times.


  • Huge 30,000x bet max win
  • Low minimum bet of 0.10 per spin
  • Decent 96.2% RTP
  • Free Spins with Expanding Scatters


  • Theme might not appeal to some players

Merlin’s Grimoire Review Conclusion

A 'book of' game with up to 7,776 ways to win and a huge maximum win of 30,000x your bet? What's not to love?

The Merlin's Grimoire slot is a volatile affair, so you should be careful when you start betting. But with a still low minimum bet of 0.10 a spin, it allows for gamblers from all walks of life to try their luck.

The mechanics are all the same you love, except now you get a young Merlin chasing glory and treasure rather than the Wilde Family in the Rich Wilde Book of Dead slots collection.

An excellent video slot to find at any good Play'n GO online casinos.

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Review by Lucky Mobile Slots, last updated: March 19, 2024 - Rating 5

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