Dive into the depths of an elegant underwater environment in Mermaid's Diamond, a 5-reel video slot played on an eye-catching hexagonal game area with a huge 720 payways, paying in both directions!
Game rules can be found within game.
RTP: 96.50
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666 Casino is a brand managed by White Hat Gaming Limited (Company). The Company is registered in accordance with Maltese law with registration no. C73232 whose registered office is 85 St John Street, Valletta, VLT1165, Malta.
The Company is licensed and regulated: (i) in Great Britain by the Gambling Commission under account number 52894; (ii) by The Swedish Gambling Authority, Spelinspektionen, under licence number 18Li7478 for customers in Sweden (issued for 5 years from 01/01/2019); (iii) by The Malta Gaming Authority under licence number MGA/B2C/370/2017 (issued 01/08/2018) for all other customers.
Gambling can be addictive. Play responsibly. For further information on the risks associated with gambling, read our responsible gambling policy. Underage gambling is an offence.
