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Play Mermaids Online

Last updated: Jun 9, 2026
Provider: NetEnt RTP: 96.09% Volatility: High
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Mermaids

by NetEnt

18+ | T&Cs Apply | Gamble Responsibly

Slot Review

Mermaids Overview

Mermaids is a high volatility slot by NetEnt with an RTP of 96.09% . This game features 20 paylines on a 5 x 3 grid . Play Mermaids for free on Slottomat, compare the core stats quickly, and browse trusted slot offers available in your market.

📊 Mermaids Stats & Key Facts

RTP
96.09%
Volatility
High
Paylines
20
Bet Range
0.1 – 20
Reels
5 x 3
Provider
Released
Jul 2024

Dive Deep with NetEnt's Mermaids Slot


Plunge into a sunken kingdom of riches with Mermaids, a visually stunning online slot from the legendary provider NetEnt. This game transports you to a vibrant underwater world where beautiful Mermaids guard ancient treasures. With its very high volatility and an RTP of 96.09%, this slot promises a thrilling, unpredictable adventure where big wins can surface at any moment. If you're looking to play Mermaid's Fortune slot game in a risk-free environment, you've come to the right place. This comprehensive review will guide you through the enchanting depths of this NetEnt classic, available to play for free right here on Slottomat.

Game Overview & Theme


NetEnt's Mermaids slot is a strong example of aquatic-themed design. The reels are set against a backdrop of a majestic underwater palace, with coral reefs, ancient statues, and schools of fish creating a serene atmosphere. The symbols are beautifully rendered, featuring the mermaids themselves in different colors, alongside classic card suits (hearts, spades, diamonds, clubs) designed with a pearl-and-shell motif. The soundtrack of gentle bubbles and ethereal music completes the immersive experience. It's a perfect escape for players who enjoy fantasy and nature-themed slots, offering a more relaxed aesthetic compared to NetEnt's action-packed titles like Wild Wild West.

How to Play Mermaids Slot


Getting started with the Mermaids slot is straightforward. The game uses a fixed 5x3 reel set with 10 fixed paylines, meaning you cannot adjust the number of active lines. Your bet is controlled solely by the coin value. The betting range is accommodating for all players, with a minimum bet of $0.10 and a maximum bet of $20 per spin. Simply set your desired coin value using the +/- buttons, hit the spin button, and watch the reels turn. The game also features an autoplay function for up to 100 consecutive spins. Before diving in, remember that the very high volatility means wins can be less frequent but potentially significant, so managing your bankroll is key.

Symbols, Paytable & Special Features


The Mermaids slot features a mix of low-paying and high-paying symbols. The lower-value symbols are the beautifully designed heart, spade, diamond, and club icons. The higher-value symbols are the four mermaids, each with a distinct hair color and treasure. The golden treasure chest is the most valuable regular symbol.


The wild symbol is represented by a glowing golden sunken ship. It substitutes for all other symbols except the scatter to help form winning combinations. The scatter symbol is the game's logo, and landing three or more of these anywhere on the reels triggers the main bonus feature.

Free Spins Bonus Round


The heart of the Mermaids slot experience is the Free Spins feature. This is triggered by landing three, four, or five scatter symbols anywhere on the reels, awarding 10, 15, or 20 free spins respectively. Before the round begins, you are taken to a second screen where you must choose one of four mermaids. Each mermaid reveals a multiplier value (2x, 3x, 5x, or 10x) that will be applied to all wins during the free spins round. This choice adds a fantastic layer of anticipation and strategy. The free spins can also be retriggered by landing additional scatters during the bonus round, offering extended play and more chances for multiplied wins.

RTP, Volatility & Max Win Potential


NetEnt's Mermaids slot has a theoretical Return to Player (RTP) of 96.09%, which is slightly above the industry average. The most defining characteristic of this game is its very high volatility. This means the gameplay is characterized by longer periods without significant wins, punctuated by moments of substantial payouts when the features hit. The combination of the free spins multiplier (up to 10x) and the high-value symbols can lead to impressive wins relative to your stake. While it doesn't feature a progressive jackpot like some games on our Progressive Jackpot Slots page, its potential for big, multiplied wins is a major draw for thrill-seeking players.

Graphics & Sound Design


As expected from NetEnt, the production values in Mermaids are exceptional. The graphics are crisp, colorful, and full of detail, creating a truly enchanting underwater realm. The animations are smooth, especially when the mermaids form part of a winning combination or when the free spins feature is triggered. The sound design is subtle yet effective, with calming oceanic sounds and a mystical melody that builds excitement during wins. It's a visually cohesive package that stands the test of time, showcasing NetEnt's skill in thematic slot development, similar to their work in Butterfly Staxx 2.

Pros and Cons of Playing Mermaids


Pros:



  • Stunning underwater visuals and immersive sound design.

  • Very high volatility for players seeking big win potential.

  • Engaging Free Spins feature with a choice of multipliers.

  • Simple, straightforward gameplay suitable for all experience levels.

  • Above-average RTP of 96.09%.


Cons:



  • Very high volatility may not suit players who prefer frequent, smaller wins.

  • Lacks more complex bonus games or interactive features found in newer slots.

  • Fixed paylines may disappoint players who like to adjust their line count.

Mermaids vs. Other NetEnt Slots


How does Mermaids stack up against other popular NetEnt titles? Its very high volatility places it in a different category than many of NetEnt's medium-volatility hits. For a similar high-risk, high-reward experience from NetEnt, you might explore Golden Realms. If you enjoy the theme of ancient treasures but prefer a different setting, NetEnt's Pyramid: Quest for Immortality offers a thrilling Egyptian adventure. For players who love NetEnt's seasonal offerings, Dazzle Me Christmas provides a festive twist. Ultimately, Mermaids holds its own as a classic, feature-driven slot that prioritizes a single, powerful bonus round over multiple mini-games.

Tips for Playing Mermaids Demo


Playing the free demo of Mermaids on Slottomat is the perfect way to understand its rhythm. Use this opportunity to experience the very high volatility firsthand without any financial risk. Test different bet sizes to see how they affect your virtual balance over 100-200 spins. Pay close attention to how infrequently the free spins feature triggers, and when it does, note the impact of the different multipliers. This practice will help you decide if this slot's payout style aligns with your preferences before you ever play for real money elsewhere.

FAQ

Common Questions About Mermaids

Direct answers to the questions players usually ask before trying a slot.

The Mermaids slot by NetEnt has a theoretical Return to Player (RTP) of 96.09%. This is considered a solid figure, but it's important to remember the game also has very high volatility. You can test the game's mechanics risk-free by trying the mermaids demo version.
Yes, you can play the Mermaids slot for free. Many online casinos offer a demo or free play mode for this NetEnt title. This mermaids free play option is perfect for learning the bonus features and gameplay without spending real money.
The Mermaids slot features Wild substitutions, a Free Spins round triggered by Scatter symbols, and a special Treasure Chest symbol that can reveal instant cash prizes. The game's very high volatility means these features can lead to significant wins, but they may not trigger frequently. You can explore these features yourself in the play mermaids free demo.
Yes, the Mermaids slot by NetEnt is fully optimized for mobile play. You can enjoy this underwater adventure on smartphones and tablets running iOS or Android, with the same high-quality graphics and features as the desktop version. The mermaids slot performs seamlessly on all modern devices.
While the exact maximum win multiplier isn't always publicly stated by NetEnt, the Mermaids slot is a very high volatility game designed for potentially large payouts. The combination of its 96.09% RTP and high-risk profile means wins can be substantial when the bonus features activate. For the best experience with this mermaids slot, we recommend trying the free demo first to understand its potential.

Yes, absolutely. You can play the Mermaids slot (often searched as "Mermaid's Fortune") for free right here on Slottomat. We offer the full, unrestricted demo version of the game with no download or registration required. It's the perfect way to learn the features and see if you enjoy the gameplay.


The Mermaids slot by NetEnt is classified as a very high volatility game. This means wins can be less frequent but have the potential to be significantly larger when they do occur. It's a game suited for players with patience and a bankroll that can withstand potential dry spells.


The Free Spins bonus round is triggered by landing three or more scatter symbols (the game's logo) anywhere on the reels. Three scatters award 10 free spins, four scatters award 15, and five scatters award 20 free spins. You then choose a mermaid to reveal a multiplier (2x, 3x, 5x, or 10x) that applies to all wins during the round.


If you enjoy the underwater theme, you might like other aquatic-themed slots. For a similar visual quality and provider trust, exploring other NetEnt games is a great start. You can also browse our full catalog of free demo slots to find your next favorite game. For a completely different but equally popular ancient theme, check out our curated selection of Egypt Slots.