Out of curiosity, what site did they recommend using when you used a US location on the VPN?
casino(dot)intertops(dot)eu
I am able to, but so far no mentions of any countries anywhere on the site, including FAQ.
The information is available in
their terms and conditions.
People from Belgium, Curacao, France, Germany, Hungary, Ireland, Italy, Netherlands, Portugal, Poland, Spain, United States and United Kingdom are prohibited from registering on the website.