The development of the slot machine game industry from computerised slot machines to video slot machines and the increasing popularity of web-based casinos and mobile betting open a world of opportunities for game designers to develop new kinds of game routines. In this new environment the possibility of improved, even unrestricted, gambler interaction develops. Casino game developers must grasp the transformation and create progressive games that produce the most of it. Attractive game ideas are needed that will catch the curiosity of the players by offering them new and thrilling possibilities, yet not too new and different that the gamblers are alienated. Succeeding in attracting player attention and interest is important because of the size of the market. In the Uk, for instance, betting makes a substantial contribution to the economy with an estimated expenditure of 8,875 million pounds (point eight per-cent of Great britain Gross domestic product (Wagering Act, ‘05)), of which ã1.74 billion is made in costumer losses playing slot machine games (Gaming Board, ‘05).
Slot require a corresponding mathematical model to generate sure the casino game is profitable and to correctly compute the minimum casino edge. In those games that the player has an input, the gambler’s optimal method must be calculated in order to calculate the minimum house advantage. Probability, Operational Research strategies and Stochastic Processes are used to build these models. Very good programming skills are also required. If video slot machines slots are to enable games to be a lot more interactive these games could become more advanced and, as a result, far more tough to model. This is a technical work that only properly educated pros can do.