They changed and evolved over time, some more, others less, to the point where some of them barely resemble their original form, while others have stayed almost exactly the same for hundreds of years. These games came from different parts of the world, emerging in different periods of history. But, one thing that ties them all together is that they are entertaining, amusing, rewarding (if you win), and altogether quite popular.
Some are completely different from one another, while others are simply different variations of the same game. The modern-day gambling industry features a seemingly endless supply of different games.
