Mermaids Diamond Slot: Review, Casinos List

Mermaids Diamond Online Slot Logo


Released Aug. 15, 2017
Software provider PlayNgo
RTP (return to player) 96.5 %
House edge 3.50 %
Volatility medium
Theme Ocean
Reels 5
Paylines 720
Bonus game No
Free spins Yes
Wild symbol Yes
Scatter symbol Yes
Multiplier No
Progressive No
Top win x5,000
Bet Size 0.20-100 EUR

Mermaids Diamond is a PlayNgo product, which provides a RTP of 96.50 %, Medium variance level, x5000 top available win and 720 fixed betways (released on Aug. 15, 2017). The slot includes Free spins, Wild, Scatter, Pay both ways special features.

RTP of Mermaids Diamond

The maximum available RTP of this slot is 96.50%. However, online casinos can change the RTP of this slot. There are 5 RTP levels: 96.50%, 94.45%, 91.47%, 87.49%, 84.48%.

You need to verify the RTP at each online casino you would like to play it.

How to check the true RTP of Playngo slots


  • The RTP of this game is pretty good (96.50 %).

  • Not small top win (x5000).

  • Some bonus features (Free spins, Wild, Scatter, Pay both ways).

  • The game is nice speaking about graphics.

  • iOS/Android devices compatible.


  • Casinos can set RTP.

Top online casinos with Mermaids Diamond slot

(players from United States are welcome)


Mermaids Diamond: Yes

* Certain games may be unavailable in certain jurisdictions, as required by policies of game providers which may change from time to time.