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Mermaid Reef Slot

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Mermaid Reef is a video slot from ReelPlay, themed, of course, around mermaids. The slot can be played from £0.10 per spin and the slot’s RTP is 95.92%. Bonuses and fea...tures include free spins, a "pick me bonus" and a gamble function.

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  • Two different bonuses to enjoy
  • Top win of 1,295x stake
  • Vibrant underwater theme
  • Highly volatile

Graphics and Theme

When you think of underwater and mermaid inspired video slots you probably don’t think of Australia - but that’s the setting of Mermaid Reef, a new video slot from ReelPlay (formally known as Chance Interactive).

Mermaid Reef is set around the Great Barrier Reef, and it’s set in the shallows of the water, so enough light penetrates from the surface to light up much of the coral and sea creatures.


The slot itself is built around a 5-reel, 3-row format, and there are 5 fixed paylines. You’ll find yourself able to spin the reels from £0.10 per spin. The game offers a maximum win of 1,2950x your stake.

Mermaid Reef Slot


The RTP of Mermaid Reef is 95.92% and it is a highly volatile slot. 

Mermaid Wild

We should also point out that Mermaid Reef has a wild symbol - and, unsurprisingly, this is represented by the Mermaid herself. She appears in a unique size, as a 1x3 symbol, and she can land fully or partially in view on reels two, three and four.

The wild Mermaid substitutes for all other symbols except for the two scatter symbols which includes the Pearl and Clam, both of which play an important role in the game’s bonuses which we’ll cover in the following part of this review.

Mermaid Reef’s Bonus Features

Mermaid Reef has a couple of bonuses we’re going to look at. Let’s kick things off with a look at the most commonly-triggered bonus, the Free Spins round.

Free Spins

The free-spins bonus in Mermaid Reef is triggered by landing 3, 4, or 5 of the scatter symbols anywhere in view. Once you do so, you’ll be awarded 10, 15 or 20 free spins respectively. In the free spins round a 2x multiplier is applied against all wins. 

It is possible to re-trigger the free-spins feature, and this is done by landing another 3, 4, or 5 of the scatter symbols anywhere in view. Doing so awards an additional 10, 15 or 20 free spins respectively.

Pearl Bonus

The Clam scatter symbols appear on the middle three reels only, and if you manage to land all three in view during the base-game you’ll trigger the Pearl Bonus.

You are then taken to a brand new game screen where you’ll see 15 Clam symbols on your screen.

Your goal is to pick from these 15 symbols, and once you match three of the same claims you’ll be awarded a cash prize.

You get to keep picking from the clams until you match three black pearls (which don’t award great cash values) or until you successfully pick all the white and gold pearls.

Mermaid Reef Slot
Max-win 12,950x
Mermaid Reef Slot
Volatility High
Mermaid Reef Slot
Top RTP 95.9%

Disclaimer: Mermaid Reef trademark / license is owned by ReelPlay. This site is not endorsed by ReelPlay.

Slot Data
Slot Name: Mermaid Reef
Software: ReelPlay
RTP: 95.9%
Volatility: High volatility
Paylines: 10
Reels: 5
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £1 (GBP)
Top Win: 12950
Features: Bonus Game, Wild Symbol, Scatter Symbol, Free Spins, High volatility
UK Available in UK? Yes. ReelPlay have a UKGC license and are allowed to offer their games at UK licensed casinos.

Mermaid Reef FAQs

Who made Mermaid Reef?

Mermaid Reef is developed and designed by a company called ReelPlay - a developer who used to be known as Chance Interactive. ReelPlay is best-known for creating the “Infinity Reels” mechanic which was created as a viable alternative to Big Time Gaming’s Megaways mechanic. It’s proved successful for the company, and today, they’re regarded as being one of the leading software providers in the iGaming industry.

What’s the RTP of Mermaid Reef?

Mermaid Reef has an RTP of 95.92%.

What’s the maximum win in Mermaid Reef?

The maximum amount of money you’ll be able to win from a single spin - regardless of whether it’s a spin during the base-game or an entire bonus - is 12,950x your stake.

What kind of volatility does Mermaid Reef have?

Mermaid Reef is built around a high-variance math model.

What are some of the bonuses and features I’ll find in Mermaid Reef?

Mermaid Reef offers a wide variety of bonus features - and there are two main ones you’ll want to be aware of. The first one is the Free Spins bonus round which is triggered by landing 3, 4, or 5 of the scatter symbols anywhere in view. Along with a free-spins bonus you’ll also find the Pearl Bonus, which is activated when you land three of the Pearl symbols anywhere in view during the base-game. When this happens, you’ll get to pick from pearls to win cash prizes worth up to 1,000X your stake.

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