The evolution of the slot machine game industry from computer controlled machines to video slots and the growing popularity of web casinos and mobile wagering open a world of opportunities for casino game designers to develop new kinds of game routines. In this new environment the possibility of increased, even unlimited, player interaction arises. Casino game developers must grasp the change and create innovative games that make the most of it. Appealing game ideas are needed that will catch the curiosity of the players by providing them new and exciting possibilities, yet not too new and distinct that the players are alienated. Succeeding in attracting player attention and interest is crucial because of the size of the industry. In the Great britain, for instance, wagering makes a significant contribution to the economy with an estimated expenditure of 8,875 million pounds (0.8 percent of United kingdom Gross domestic product (Betting Act, ‘05)), of which 1.74 billion pounds is made in costumer losses betting slot machines (Gaming Board, ‘05).
Slot machine game need a matching mathematical model to produce certain the game is profitable and to correctly determine the min house advantage. In those games that the player has an input, the gambler’s optimal system must be worked out in order to calculate the minimum house advantage. Probability, Operational Research methods and Stochastic Processes are used to develop these models. Excellent programming abilities are also required. If video slot machines slots are to permit games to be more interactive these games could become much more sophisticated and, consequently, extra tough to model. This is really a specialized job that only well educated experts can carry out.