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

https://www.booknose.win/when-choosing-a-uk-casino-with-a-solid-slot-library-consider-the-rtp-which

When choosing a UK casino with a solid slot library and good RTP, remember that RTP is a long-term average payout, not a guarantee. Some slots offer different RTP versions depending on the operator