Mermaids Millions Slot – Overview of All the Key Details

The Mermaids Millions slot is another one of Microgaming’s classic titles released in the far-off 2005. Is it worth betting real money on such a retro slot? Let’s find out!

Last Updated on 03/06/2021 by George Mizzi


Game review info

  • Rating
  • RTP: 96.56%
  • Min Bet: 0.15
  • Max Bet: 450
  • Reels: 5 Reels
  • Paylines: 15
  • Software: Microgaming
  • Themes: Sea, Classic
  • Volatility: Low
  • Features: Free Spins , Bonus Game , Wild Symbol , Scatter Symbol , Multiplier

US Players not Accepted
  • Live Games Available
  • Fast Withdrawal Times
  • Great Game Selection
18+ Full T&Cs Apply. New UK players Only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 20 Spins will be credited instantly upon qualifying deposit + then 20 per day for 9 days on pre-selected games. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded.

Mermaids Millions Slot Review

The Mermaids Millions slots game has five reels and fifteen paylines. The optimal RTP you can hope to achieve is 96.56%. Which is pretty good, compared to contemporary slot games. If retro graphics and classic layouts are your cup of tea, don’t hesitate to dive with Microgaming’s Mermaids.

Once you dive into this oceanic kingdom, you’ll be pleased with the minimalistic interface and user-friendly layout. All functions are aligned on the right of your screen, from where you can turn the music on or off, get more information, set off autoplay or turbo mode, and decide on your bet. If you want to dip your toes in retro waters, the Mermaids Millions slot is one you should try.

Mermaids Millions Slot Features

The Mermaids Millions game allows you to define your own bet amount or select one of the available. The minimum bet is 0.15 and the maximum is 120. You can choose to play automatically, with minimum spins of 10 and a maximum of 100. But the features of the game don’t end here. It doesn’t have a jackpot, but has several other features. These include:

  • Free Spins Bonus Game – You can trigger the free spins when you land the scatter Mermaid symbols. 3 or more symbols award 10 free spins. The best news is that they can be re-triggered
  • Treasure Bonus Game – When you land 3 or more of the Treasure Bonus symbol on an active payline, the game is triggered. In this bonus game, you pick and choose random objects for random bonus wins. You can activate this game during the Free Spins mode.

As you can see, as retro as it might be, the Mermaids Millions slots game has very intriguing bonus games to offer.

Perks and Downfalls

There are always two sides of a coin. You should not expect to have something good without its bad traits. When it comes to slots, this saying can also apply very accurately. Mermaids Millions Slot has more positive than negative sides, but we will look into both and leave the final judgement to you.

When it comes to different online slot games it’s always important to look into the RTP and variance first, and then check out the special features and symbols in order to properly evaluate the online slot, especially if you plan on investing money into it.

Advantages and Disadvantages


A Special Wild Symbol for better chances
A Scatter which pays out
10 Free spins triggered by at least 3 scatters
Developed with HTML5


Design is not up to date
Missing a Progressive Jackpot
No Gamble Option
Not many special features

Mermaids Millions Design & Graphics

Reminiscent of the Little Mermaid theme, the slot has a very retro vibe to it, indeed. But it’s a pleasant vibe. You can enjoy a subtle background sound inspired by the depths. The mermaids giggle when land a win with them present on the grid. Every major or Wild win is emphasized, as well!

Mermaids Millions is a very atmospheric slot. And you can take it on-the-go. It uses HTML5 technology and can fit on any screen. If you’re craving the oceans, regardless of the season, you can take them with you anywhere you go.

Classic, Yet Mobile-Friendly

Despite being developed during times when HTML5 did not exist yet, Mermaids Millions Slot will surprise you. The industry giant in casino games devolvement Microgaming has made sure to optimize the game, which seems to be quite popular among players. Having said that, Mermaids Millions slot will provide all the excitement and fun for mobile phones and tablets. The game has been modified to keep things simple and at the same time give you the most optimal and engaging gameplay for the small screen of your mobile device.

Apart from all mentioned so far, you should also have a look into all of the mobile casinos. It is important that the casino you choose is available for mobile, otherwise it might make things a little more complicated. You should not worry about finding such a casino, because nowadays, it has become a standard so your options will not be limited at all.

Winning Symbols

There’s a whole school of symbols you’ll encounter in this colourful slot game. From the lowest to the highest paying symbols, they are all thematic and hide awesome rewards.

  • Regular Symbols: These include 8 symbols in total, from low-paying to high-paying ones. You’ll see 5 familiar card symbols – the 10, J, Q, K, and A, with steadily climbing payouts depending on your bet per payline. They’re followed by the seahorse and the oyster with a pearl. The highest-paying regular symbol is the jewel box.
  • Special Symbols: These are the already mentioned Treasure box Bonus and Scatter Mermaid that trigger one of the two special games. They are accompanied by the Wild symbol – the king of the mermaids, that can substitute for all symbols except for the Scatter.

There’s no need to go swimming with the sharks to get an adrenaline kick. The Mermaids Millions slot can do this for you just fine. Retro, but actually – evergreen, with the available features and bonus games. Is it worth swimming with the mermaids? We believe it is!

Retro Gameplay and Overall Experience

Mermaids Millions was developed by Microgaming in 2005, which explains the retro feel and simple graphics. The music and sound effects are also basic and nothing to brag about. The game will certainly not impress you with its theme or design, but it’s important what’s hidden deep down.

Despite being outdated, this slot still has some features to bribe you with. You can trigger the free spins feature, where all your wins will get multiplied by 3. There is another feature called Treasure Bonus, which can also bring you big wins. The RTP of the slot stands at 96.56%, which is slightly above average. The game is also very easy to understand and learn so it’s suitable for newcomers. The maximum total bet for all lines covered is 450, which makes the game very suitable for high rollers.

What Makes Mermaids Millions an Outstanding Sea-Themed Slot?

Mermaids Millions slot mesmerizes players with loads of wilds, free spins, and bonus rounds, so the game has quickly become a leader in the sea-themed niche, rivalling first-class machines like Thunderkick’s 6-reel, 5,040-payway Big Fin Bay. Both slots are straightforward and feature outstanding gameplay, but Mermaids Millions is particularly charming and laidback in nature.

Mermaids Millions Slot – Editor’s Verdict

There’s no need to go swimming with the sharks to get an adrenaline kick. The Mermaids Millions by Microgaming can do this for you just fine. It looks retro, but it’s actually evergreen, with the available features and bonus games. Is it worth swimming with the mermaids? We believe it is! And both low-rollers and high-rollers can enjoy it thoroughly at the top Microgaming casinos.

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Mermaids Millions FAQs

What is the RTP and Volatility of Mermaids Millions?

This slot has a low volatility, which means frequent but low wins. The RTP on the other hand is quite high with 96.56%, which is above overall average.

What is the top prize for Mermaids Millions?

Being low volatile, the maximum prize you could win while playing this slot is 7500x your bet, which at maximum bet can still bring you a very good prize to brag about.

How easy is the slot to play?

Mermaids Millions is very easy to acknowledge. With it being a classic slot, you will not find a lot of extra and unnecessary features and sticking to just a few buttons is a task even a newbie can do. You can find other great slots from our slots page right here.

Where can I play this slot for free?

You should be able to find a demo of this Microgaming slot quite easily on some of the casinos that provide the software provider’s games. It is a great idea to test out a slot, before trying to spend any money on it.

Is Mermaids Millions slot safe to play?

Yes, it is. Microgaming has a good reputation and all the slots they offer are subject to strict regulations and audits. When you’re looking for the slot’s safety, you should look out for the casino’s safety, too. We have a bunch of safe and awesome online casinos lined up here.
Author: George Mizzi
Chief Slot Analyst
When it comes to slot games, no one knows them better than our chief slot analyst George Mizzi. George started playing video slots back in 2011, and since then, he became inquisitive about all things slots. He became entrenched in the mechanics of them and quickly became an expert in how slot games work.