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

https://mega-wiki.win/index.php/Do_Casinos_List_RTP_Clearly_or_Do_I_Have_to_Dig_for_It%3F

When choosing a UK casino with a strong slot library and good RTP, remember RTP reflects long-term returns. Some slots have different RTP versions depending on the operator