Casino games, gambling, and betting all mean different things under the UK...

https://www.primary-bookmarks.win/casino-games-let-you-try-your-luck-on-slots-or-roulette-right-away-with-fixed

Casino games, gambling, and betting all mean different things under the UK Gambling Act 2005. Casinos offer games like roulette where you play against the house. Gambling covers a wider range of activities involving risking money, including betting