But, some countries like the USA, have legalized the game and people are free to play in any region across the country. There are several jurisdictions that term gaming as an illegal practice and whoever takes part in playing it is liable for prosecution. This kind of game is defined as a wagering game and its results are normally short lived. Best Casinos in USA 2018 ! Gambling is basically a game where money or anything that has material importance or value is placed on an uncertain event whose outcome is not known.