The evolution of the slot machine game market from computer controlled machines to video slot machines and the increasing popularity of web based casinos and mobile gambling open a world of opportunities for game designers to create new varieties of casino game routines. In this new setting the possibility of improved, even unrestricted, player interaction occurs. Casino game designers must embrace the transformation and develop innovative games that make the most of it. Appealing game ideas are required which will catch the interest of the players by offering them new and thrilling possibilities, yet not too new and various that the gamblers are alienated. Succeeding in attracting gambler attention and interest is essential because of the size of the industry. In the Great britain, for example, gambling makes a substantial contribution to the economy with an estimated expenditure of 8,875 million pounds (point eight per cent of Uk Gross domestic product (Wagering Act, 2005)), of which £1.74 billion is made in costumer losses playing slot machines (Gaming Board, ‘05).

Slot machine require a matching mathematical model to make certain the game is profitable and to accurately determine the min house edge. In those games that the player has an input, the player’s optimal technique must be computed to be able to calculate the min house advantage. Probability, Operational Research methods and Stochastic Processes are utilized to develop these models. Very good programming skills are also necessary. If video slots are to permit games to be more interactive these games could become far more advanced and, consequently, more tough to model. This is really a specialized job that only properly trained pros can do.