When choosing a UK casino with a solid slot library and good RTP, remember RTP...

https://www.cast-bookmarks.win/when-choosing-a-uk-casino-with-a-strong-slot-library-keep-in-mind-that-rtp

When choosing a UK casino with a solid slot library and good RTP, remember RTP reflects long-term returns and can vary by operator. Some casinos offer different RTP versions of the same slot