Microgaming is known for its top-notch slot games with fascinating topics. When it comes to its older games, the situation stands pretty much the same. Despite being released in 2005, Mermaid Millions is still popular and available online. Namely, it has a fantastic payout potential, sweet design, and several generous features. Read on and learn how to play this game and find the underwater treasure it hides.
RTP & Variance
Mermaid Millions is a medium volatile slot game with an RTP of 96.56%. Thus, it delivers around 96.56% of the cash it received overall. But considering its medium volatility level, you won’t be waiting forever to receive some lucrative rewards. Instead, you’ll be gaining wins frequently enough, meaning you’ll enjoy spinning the reels even more.
Paylines & Bet Size
The bet size is Mermaid Millions ranges from 0.30 to 150 coins per spin. Each time you hit the winning combination, the game will pay you out based on the bet size you fixed. There are 15 ways to win this game. The maximum it delivers is 1,500 times your stake.
Design & Gameplay
Mermaid Millions is an older Microgaming piece of art, which is quite evident from its appearance. The slot has a standard grid with a 5×3 layout and a sea topic. Thus, the game takes you to the world beneath the water filled with mermaids, seashells, treasure chests, and other treats. You’ll be seeing them on the reels. Simultaneously, the background is covered in deep-blue water, and the sound effects resemble the burbling of the sea.

So, after starting the game, you’ll be taken on the treasure hunt across this underwater kingdom. Luckily, the game ensures the necessary buttons and options you’ll find useful. Namely, you can set the best size, go through the paytable, and spin the reels. If you want to make it even simpler, you can also use the auto-spin option.
Symbols & Features
The Mermaid Millions slot features eight regular symbols that pay from left to right when in the paying combination. There are card ranks as low-value symbols. The ones related to the game’s topic are more generous. When you set the minimum bet size, they will provide you with the following portions of coins:
- Ten and Jack – up to 1.50,
- King and Queen – up to 2.200,
- Ace – up to 2.50,
- Seahorse – up to 5.00,
- Oyster and Diamonds – up to 10.00.
The game has three more symbols that have special functions and deliver even more coins. Firstly, the King Neptune symbol is wild, which works as a replacement and helps you form more winning lines.
In addition, the game has a bonus symbol in the shape of a treasure chest. It unlocks the Bonus Treasure Feature.
Finally, the mermaid is a scatter symbol appearing on all reels. It pays out in any position and provides up to 120 coins. Simultaneously, it can trigger the Free Spins feature.
Bonus Treasure Feature
If you land at least three treasure symbols simultaneously, you’ll unlock the Bonus Treasure feature. It takes you to the depths of the sea, where you can choose a specific number of shells. They contain various cash prizes. The feature allows you to pick three, four, or five shells, depending on how many chest symbols you previously landed. This feature is available both during the main game and free spins.

Free Spins Feature
You’ll unlock the free spins feature by hitting three, four, or five mermaid (scatter) symbols. If you manage to do so, you’ll get ten free spins with a 3x multiplier. So, every win you gain during the feature will be multiplied three times. You can retrigger the free spins feature if you land three scatters again.
Overall Impression
Mermaid Millions is a 5×3 slot game with several fantastic bonus features, a medium volatility level, and a maximum payout of 1,500x your bet. It was produced by Microgaming, one of the most prestigious and famous game developers. Therefore, it’s a high-quality and fair game. Luckily, you can enjoy it at many Microgaming online casinos for both free and real money.
FAQ
Mermaid Millions is available at most online casinos that offer Microgaming slots.
Yes, Mermaid Millions has a free spins feature. It rewards ten free spins with a 3x multiplier.
Mermaid Millions can deliver up to 1,500 times your original stake.