Here you can find the best online casinos to play real money slots for US players. Reviews, deposit/withdraw methods and real money Slots. Since we've helped over , US online casino players find their We have one of the largest collections of free online slots available to US players. Here are the best free slot games for US players. These online casinos accept wagers from the USA, but the games below are all free! If you want to try them for. Top Real Money Gaming Sites in the US 1. Since we've helped overUS online casino players find their best US casino. Registering is a simple process that requires just a few personal details such as name and address. Best Real Money Mobile Slots Casinos. The two biggest software providers are Microgaming and Realtime Gaming.