Some states have legalized all three types of gambling, while others only allow one or two. The lottery, on the other hand, is legal in 45 states plus DC, the US Virgin Islands, and Puerto Rico. For example, casino gambling is legal in 24 states, while sports betting is legal in 36 states. The laws regarding these types of gambling vary from state to state. The lottery, on the other hand, is a game of chance where players purchase tickets with the chance of winning a prize. Casino gambling involves games like slot machines, blackjack, and poker, while sports betting involves wagering on the outcome of sporting events.