I don't wanna register, deposit and later have my winnings confiscated due to being on a restricted country, without me knowing this info beforehand. So in my opinion every casino platforms should provide the specific country lists, or at least the most obvious ones. So until I'm sure of it I will only keep waiting. Also after going through their hundreds of lines of T&C, I believe (by the looks of it), Gamba isn't VPN friendly. But of course the representative can give us more accurate info on this. This was only my personal assumption.
That's the right approach before playing. You can see the list of restricted countries in their help center. Lemme quote it for convenience's sake:
Restricted Countries
Due to our license regulations, we unfortunately cannot accept players from the following countries:
Afghanistan, Australia, Belarus, Belgium, Côte d'Ivoire, Cuba, Curaçao, Czech Republic, Democratic Republic of the Congo, France, Germany, Greece, Iran, Iraq, Italy, Liberia, Libya, Lithuania, Netherlands, North Korea, Portugal, Serbia, Slovakia, South Sudan, Spain, Sudan, Sweden, Syria, United Kingdom, United States, Zimbabwe, and several others.
I think folks will like this as the list is short, and just the usual countries unless I missed something. I don't think they're VPN friendly as well, thus we should not use it, see:
While some users might consider using a VPN to bypass these restrictions, we advise against it. Using a VPN to connect to an allowed country on our platform goes against our Terms of Service and could result in account suspension.