Free Demo

Mermaids™

Free demo by NetEnt

Play Mermaids™ for real money

Licensed casinos carrying this game, ranked by our Trust Index.

How we rate

1 Partner Commercial placement — paid partner. Our Trust Index score is unaffected.
6.9

Pandido
Provisional
+22

Top welcome bonus for new players

Play at Pandido → Confirm this operator is licensed where you live Read the Pandido review
24
6.9

Alawin
Provisional
+23

Exclusive welcome bonus + free spins

Play at Alawin → Confirm this operator is licensed where you live Read the Alawin review
25
6.9

Spinfever
Provisional
+4

Generous match bonus + free spins

Play at Spinfever → Confirm this operator is licensed where you live Read the Spinfever review

18+. Advertising disclosure: we may earn a commission from these links. It never affects our Trust Index.

Details

Game information

Provider	NetEnt
Type	slots
RTP	96.09%
Volatility	High
Max win	100x
Reels	5
Demo resolution	1280×720
UK licensed build	—

About Mermaids™

Mermaids™ is a classic online slot from NetEnt, a renowned studio known for creating engaging and visually appealing games. This underwater-themed slot has been a favorite among players for years, and we're excited to review its free-play demo version.

Mermaids™ theme, look and mechanics

The game features an enchanting underwater world, complete with mermaids, fish, and other sea creatures. NetEnt's signature style shines through in the game's colorful and detailed graphics. In terms of gameplay, Mermaids™ is a traditional slot with a straightforward mechanic - you spin the reels, hoping to land winning combinations.

RTP, volatility and what to expect

Mermaids™ has a published RTP of 96.09%, which is relatively high compared to other slots. If you're new to slots, RTP stands for Return to Player, and it represents the percentage of money that the game pays back to players over time. For more information on slot RTP and volatility, check out our slot RTP and volatility explained guide.

Playing the Mermaids™ free demo

You can play the Mermaids™ free demo without signing up or spending any real money. We recommend spending around 10-15 minutes playing the demo, making about 20-30 spins before forming an opinion. This will give you a good feel for the game's mechanics and whether it's a good fit for you. If you enjoy playing free casino games, you can find more options on our free casino games page.

Should you play Mermaids™?

Mermaids™ is a great choice for players who enjoy classic slots with a simple yet engaging theme. If you're looking for a game with a high RTP and a relaxed, underwater atmosphere, Mermaids™ is definitely worth a try. On the other hand, players seeking more complex features or modern mechanics might find Mermaids™ a bit too straightforward. To learn more about how we evaluate games and casinos, visit our how we rate games and casinos page. As of 2026, Mermaids™ remains a popular choice among players, and you can find it at many best online casinos. Don't forget to use responsible gambling tools to manage your gaming experience.

18+ only. Play responsibly. Demo play uses no real money.

How to play Mermaids™

You can play Mermaids™ free right here — the slots demo opens in your browser with play-money credits, so there is nothing to install and no account to create. Follow these steps to get started:

Press Play for Free above to load the NetEnt demo in the game window.
Set your stake with the demo balance — adjust your coin value and bet level before you begin.
Spin the reels and watch how Mermaids™ behaves with zero risk to your money.
Open the in-game paytable to learn the symbols, paylines and bonus features of this slots game.
When you are ready, switch to real play at a licensed casino using the button near the top of this page.

What to expect from the NetEnt demo

The free demo of Mermaids™ runs the same slots engine as the real-money version from NetEnt — the same graphics, features and game maths — but every spin is played with virtual credits instead of your own cash. It renders at 1280×720, so it scales cleanly across desktop and mobile screens.

Because there is no signup and no deposit, the demo is the easiest way to learn how Mermaids™ works before you risk anything. Explore the bonus rounds and special features, get a feel for the pace, and decide whether it suits your style — then move to real money only when you are comfortable.

Tips for playing the free demo

Use the demo to test Mermaids™'s bonus features risk-free before you commit real money.
Study the paytable so you understand how NetEnt structures wins on this slots title.
Set a budget and a time limit before you switch from demo credits to real cash.
Play for fun first — the demo is for entertainment, and real-money gambling is strictly 18+.

Want more? Browse more free slots games, try all of our free demos, or read independent casino reviews to find the best place to play Mermaids™ for real.

Ready to play for real? Read our Pandido review before you make a deposit.

FAQ

Mermaids™ demo — frequently asked questions

What is the RTP of Mermaids™?

Mermaids™ by NetEnt has a published return-to-player (RTP) of 96.09%, with high volatility. RTP is a long-run average measured across millions of spins — it never guarantees the result of any single session.

Is Mermaids™ free to play?

Yes. You can play the Mermaids™ demo here for free with virtual credits — there is no deposit, no signup and no download required.

Do I need to sign up to play the demo?

No. The NetEnt demo loads straight in your browser, so you can try Mermaids™ without creating an account or sharing any details.

Can I win real money on the demo?

No. The demo uses play-money credits only, so wins are not real. To play Mermaids™ for real money you must use a licensed casino, where 18+ and responsible-gambling rules apply.

18+ only. This free demo is for entertainment and is not real-money gambling. If you choose to play for real, please gamble responsibly.