Good UK slots are clear. UKGC is the base, not a quality guarantee. Check RTP...

https://www.first-bookmarkings.win/a-ukgc-licence-is-the-starting-point-not-a-guarantee-of-a-smooth-experience

Good UK slots are clear. UKGC is the base, not a quality guarantee. Check RTP data, cashout times and responsible gambling tools, like limits and time-outs