They should offer the games that people are looking for, and those familiar casino games also must exist. In fact we have noticed that casinos offered the same games and gaming style, maybe the name just changed, but the overall gaming features are very similar. This means that gamblers are expecting the same experience from old and known casinos. 

The casino must know the wants of the people around for them to become their gamblers. Or else, they will find other casinos that can provide their desires.