Casino games happen on-site or online with chance-based bets, like roulette...

https://andressinspiringthoughtss.theglensecret.com/how-do-i-avoid-confusing-readers-with-the-word-gaming

Casino games happen on-site or online with chance-based bets, like roulette spins. Gambling covers all betting forms, including casino games and sports wagers, such as football bets. Betting specifically means predicting event outcomes and staking money