The article compares how UK and US rules shape online slots, from game testing...

https://mighty-wiki.win/index.php/Do_US_Online_Casinos_Publish_RTP_the_Same_Way_UK_Casinos_Do%3F

The article compares how UK and US rules shape online slots, from game testing to what players can access. It notes that UKGC-licensed games undergo independent testing, while US casino rules vary by state