Online casinos are nothing but the playing of casino games through the internet. They are called by names such like internet casinos and virtual casinos. It does not involve any face – to – face contact within the players. Everything is done through the internet. The money transactions are also done in the web itself using the internet services of the banks. They offer pay backs and odds which are quite close when compared to the casinos that are land – based. Few online – casinos claim that they give more pay back percentages. But any way the rules of these games themselves fix the percentage of paybacks. But the questions that are raised often are the reliability of these online games. This doubt arises because since the players do not meet each other in person they will not be sure about whether they are playing real players nor are they being cheated. For programming the softwares for these games the casino companies rely upon the popular makers of software like real time gaming, micro gaming, play tech, etc. Despite these bugs and flaws it is said to be one of the fastest growing industries. The requirements for becoming a member of these casino games are just a good computer with fast internet connection. The online casinos are not short of thrill when compared to real land casinos. The only things it may lack are the drinks and the presentation. All kinds of casino games like keno, craps, baccarat, black jack, hold ’em, slot, video poker, 3 and 5 reel slot and many other types can be played online itself. They provide guarantee for the safety and their money. The internet can also guide to play the right kind of casino games and the tips and technique to play it. There are casinos which give welcomes bonuses more than about 200 dollars. For practicing our game play and strategies the websites offer free games. The websites which conduct the casino games have 24 hour support for customers. The customers are able to contact them through phone calls, e – mail and chats. Companies try to give the customers the experience that is gained in the Las Vegas. There are not many formalities for registration. So any person who is interested in games can come forward for registration. Moreover the presentation of the games and the 3D effects make it more pleasurable. There is no need for going to the casinos for playing the games, any person with a laptop and an internet connection can play the games from any where they like. There are more than 30 games offered by the online casinos. Actually there are two types of online groups and they are the web based games and download only games. Even Live gaming is offered by some casinos. In the web based games there is no need of downloading any kind of software. But the download only games require software download from the server. When this software is opened it automatically connects to the web for allowing game play.