Mermaid's Treasure Trove
Certified by the HGC (HGC-033274-TM)
Data source: iGaming Tools (25 July 2026)
Free play · rotates to fullscreen
Demos are only available to people aged 21 and over.
Demo provided by the game studio via iGaming Tools. Free play only, no real money.
How it playsHow Mermaid's Treasure Trove plays
This page is compiled from the provider’s published data and the HGC register. It is not a review: we have not tested Mermaid's Treasure Trove yet, so it has no score.
Mermaid's Treasure Trove is a Pragmatic Play slot with 7 reels and 7 rows, paying for clusters instead of lines. It was released in October 2025. It is themed around fantasy.
It is certified by the HGC for online play in Greece, certificate HGC-033274-TM; last updated in the register on 6 October 2025.
Mermaid's Treasure Trove combines free spins, multipliers, cascades, cluster pays, sticky wilds and bonus buy. 6 other slots of the 593 with data in our catalogue have exactly the same combination.
RTP 96.54%: what it means
Mermaid's Treasure Trove has an RTP of 96.54%. If €1,000 were staked in total over a very large number of spins, about €965.40 would theoretically be paid back and €34.60 would stay with the casino. RTP is an average over millions of spins. A single session can end very differently — and in the long run the casino wins.
That is above the median RTP (96.5%) of the 593 slots with data in our catalogue — higher than 85% of them. Across the 507 Pragmatic Play slots we track, the median RTP is 96.5%. 96.54% is the default value published by Pragmatic Play; a casino may offer Mermaid's Treasure Trove in a version with a different RTP, so check the game’s info screen.
Volatility: high
The provider rates the volatility of Mermaid's Treasure Trove as “high”. Wins are rarer and concentrated in the bonus rounds. Long losing stretches are expected, so a balance can run out quickly.
Of the other 506 Pragmatic Play slots in our catalogue, 434 share this level with Mermaid's Treasure Trove.
Max win: 10,000×
The top prize on Mermaid's Treasure Trove is 10,000× the stake, i.e. €10,000 at a €1 stake. It is a theoretical cap: most sessions end without coming anywhere near it. That is above the median (7,500×) of the 544 slots in our catalogue that publish a max win; 104 are higher.
Bet range
The provider does not publish a bet range for Mermaid's Treasure Trove in our data source; the minimum and maximum stake are shown in the game’s info screen at the casino.
Bonus features
Free spins
Usually triggered by scatter symbols, they give you spins you are not charged for; their wins are credited to your balance as normal. In Mermaid's Treasure Trove it comes together with multipliers, cascades, cluster pays, sticky wilds and bonus buy. Found in 489 of the 593 slots with data in our catalogue and in 416 of Pragmatic Play’s 507.
Multipliers
A win is multiplied by a factor (for example ×2 or ×10). Their contribution is already included in the RTP. In Mermaid's Treasure Trove it comes together with free spins, cascades, cluster pays, sticky wilds and bonus buy. Found in 299 of the 593 slots with data in our catalogue and in 262 of Pragmatic Play’s 507.
Cascades
Winning symbols disappear and new ones take their place, so a single stake can produce a chain of wins. In Mermaid's Treasure Trove it comes together with free spins, multipliers, cluster pays, sticky wilds and bonus buy. Found in 169 of the 593 slots with data in our catalogue and in 148 of Pragmatic Play’s 507.
Cluster pays
Groups of matching symbols that touch each other win, instead of symbols on paylines. In Mermaid's Treasure Trove it comes together with free spins, multipliers, cascades, sticky wilds and bonus buy. Found in 66 of the 593 slots with data in our catalogue and in 53 of Pragmatic Play’s 507.
Sticky wilds
Wild symbols that stay in place for more than one spin. In Mermaid's Treasure Trove it comes together with free spins, multipliers, cascades, cluster pays and bonus buy. Found in 66 of the 593 slots with data in our catalogue and in 49 of Pragmatic Play’s 507.
Bonus buy
The bonus round can be bought outright at a price that is a multiple of the stake — often tens or hundreds of times. That means much more money is staked in a short time; whether it is offered depends on the casino. In Mermaid's Treasure Trove it comes together with free spins, multipliers, cascades, cluster pays and sticky wilds. Found in 450 of the 593 slots with data in our catalogue and in 394 of Pragmatic Play’s 507.
Frequently asked questions
What is the RTP of Mermaid's Treasure Trove?
The RTP of Mermaid's Treasure Trove is 96.54%, according to the provider (Pragmatic Play). That is a house edge of 3.46% over the long run; a single session can differ a lot.
Is Mermaid's Treasure Trove certified in Greece?
Yes. The HGC has certified Mermaid's Treasure Trove for online play, certificate HGC-033274-TM (last updated in the register on 6 October 2025). You can check it with the “Is this slot certified in Greece?” search on frut.gr or in the HGC’s public register.
What is the max win on Mermaid's Treasure Trove?
10,000× the stake, according to the provider. It is a theoretical ceiling that is reached very rarely.
How volatile is Mermaid's Treasure Trove?
“High”, according to the provider. Wins are rarer and concentrated in the bonus rounds.
What bonus features does Mermaid's Treasure Trove have?
According to the provider: free spins, multipliers, cascades, cluster pays, sticky wilds and bonus buy.
Can I play Mermaid's Treasure Trove for free?
Yes, in the demo on this page, with play money and only after confirming you are 21+.
Similar slots
Mermaid's Treasure Trove compared
The most closely related slots in our catalogue, by provider, volatility, theme and features:
| Slot | RTP | Volatility | Max win | Grid |
|---|---|---|---|---|
| Mermaid's Treasure Trove | 96.54% | high | 10,000× | 7×7 |
| Fire Portals | 96.06% | high | 10,000× | 7×7 |
| Drago - Jewels of Fortune | 96.5% | high | 10,000× | — |
| Spellbinding Mystery | 96.04% | high | 10,000× | 7×7 |
Compared with Fire Portals (Pragmatic Play), Mermaid's Treasure Trove has an RTP 0.48 points higher, the same volatility and the same max win. Both have free spins, cascades, cluster pays, sticky wilds and bonus buy. Only Mermaid's Treasure Trove has multipliers.
Compared with Drago - Jewels of Fortune (Pragmatic Play), Mermaid's Treasure Trove has an RTP 0.04 points higher, the same volatility and the same max win. Both have free spins, multipliers, sticky wilds and bonus buy. Only Mermaid's Treasure Trove has cascades and cluster pays.
Compared with Spellbinding Mystery (Pragmatic Play), Mermaid's Treasure Trove has an RTP 0.5 points higher, the same volatility and the same max win. Both have free spins, multipliers, cluster pays and bonus buy. Only Mermaid's Treasure Trove has cascades and sticky wilds.