This article looks at UK casino sites that offer slot games with high...

https://thebrandhopper.com/learning-resources/what-uk-casino-sites-specialise-in-high-return-slot-collections/

This article looks at UK casino sites that offer slot games with high return-to-player (RTP) rates. It explains the importance of RTP transparency and how to find this info by checking the in-game info icon or paytable