Online casinos are also known as virtual casinos. These are casinos where you can play the same games you e play in a real live casino, but online. So in other terms, you don't have to dress up and go to a casino to play, but you can stay at home relaxed enjoying a beer or a cocktail and play as much as your heart desires. These casinos are also available 24/7, meaning you can play anytime. All you need is a visa or any other form of payment method which is deemed correct by the provider, you must also be 18+ years and you're good to go.