The article compares UK and US online slot rules, including testing, payout...

https://wiki-tonic.win/index.php/What_Were_Early_Online_Slots_Like_Compared_to_Now%3F

The article compares UK and US online slot rules, including testing, payout information and state-by-state access. UKGC testing provides a formal benchmark; in New York, sports betting is legal, but online casino play is not