The following social casinos are legal and approved to use in the US. If you are looking to eventually join an online casino to play for real money, this is the perfect way to learn about different slots. When choosing a game, keep the RTP (Return to Player) and volatility in mind. Your coins or tokens can be exchanged for prizes and gift cards.įree casino slot games online have a range of themes and bonus features. But you can still win prizes by playing these games. Social casinos allow users to use coins to get in on the action. Unlike real-money slots, it is legal to play free slots in any US state.