• Online Money World
• Gambling
• Online casinos

At the origin, casinos were institutions publicly accessible who were legal, because they were controlled.

In casinos (and online casinos), you will find gambling, such as :

• ball games, including the famous roulette
• games card, including blackjack and Texas hold'em
• sports betting, including the paris on horse racing

Gambling and casinos can allow you to win a lot of money, but also to lose a lot of money.
Everything is a matter of luck.