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

https://research-wiki.win/index.php/RTP_vs_Volatility_%E2%80%93_Which_Matters_More_for_a_Casual_Player%3F

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