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

https://city-wiki.win/index.php/MrQ_Casino_Slots_Review_%E2%80%93_Is_the_Game_Library_Actually_Big%3F

When choosing a UK casino with a solid slot library and good RTP, remember that RTP values show long-term returns and can vary between operators. Some games have different RTP versions depending on the casino