Cruise ship casinos on mainstream cruise lines often host tournaments on board featuring various casino games. The list includes slot tournaments, as well as card game tournaments for blackjack and Texas Hold 'em. Some tournaments are invitational, offered to casino loyalty members of a certain level only.

Macau's economy relies heavily on gambling. Nowadays, the gambling industry generates over 40% of the GDP of Macau. Since the early 1960s, around 50% of Macau's official revenue has been driven by gambling.