Chumba Casino is legal in the US due to its sweepstakes model, where players purchase Gold Coins for fun and receive Sweeps Coins as a bonus. These Sweeps Coins can be used to play games and win real cash prizes. The model complies with US sweepstakes laws, making it a legal and legitimate option for online casino gaming within the country. Players can enjoy a variety of slots, table games, and more at Chumba Casino while having the opportunity to win money legally. Overall, Chumba Casino offers a unique and legal online gaming experience for players in the US.