The software is easy to use and very stable, and one aspect of each of their available games that may interest you is that they offer full and definitive help files on which you will find and full and in-depth overview of how each game has been designed and how each of them play and pay too. Therefore, it will not surprise you to learn that you will find US Dollars as the base currency of many of those casino sites and there will also be lots of banking options that are convenient for players based in the USA. WGS was formerly known as Vegas Technology, and many of the casino sites that operate using their gaming platforms accept and allow US based players, and as such those sites in general do have a very large player base of customers living and residing in the US.