The evolution of the slot machine game industry from computer controlled slot machines to video slot machines and the increasing popularity of on-line gambling houses and mobile betting open a world of possibilities for casino game designers to develop new types of casino game routines. In this new environment the possibility of improved, even unrestricted, gambler interaction occurs. Casino game designers must grasp the change and develop innovative games that generate the most of it. Appealing game ideas are needed that will catch the interest of the gamblers by providing them new and exciting possibilities, yet not too new and unique that the gamblers are alienated. Succeeding in gaining player attention and interest is vital because of the size of the industry. In the United kingdom, for instance, wagering makes a significant contribution to the economy with an estimated expenditure of ã8,875 million (point eight per-cent of United kingdom Gross domestic product (Betting Act, ‘05)), of which ã1.74 billion is made in costumer losses betting slot machines (Gaming Board, 2005).
Slot machine game need a matching mathematical model to generate certain the game is profitable and to correctly calculate the minimum casino edge. In those games that the player has an input, the gambler’s optimal method must be calculated to be able to calculate the min casino advantage. Probability, Operational Research methods and Stochastic Processes are utilized to build these models. Good programming abilities are also necessary. If video slots are to permit games to be more interactive these games could turn out to be more sophisticated and, consequently, extra challenging to model. This is a specialized work that only properly educated experts can perform.