Casino games involve playing against the house on games like roulette or slots....

https://riverssmartchat.novacrestiq.com/posts/does-the-uk-gambling-commission-define-gambling-and-betting-differently

Casino games involve playing against the house on games like roulette or slots. Gambling covers all activities where you risk money on uncertain outcomes, including betting and casino games. Betting means placing stakes on events, such as football wagers