The development of the slot machine game industry from computerised slot machines to video slots and the increasing popularity of web gambling establishments and mobile wagering open a world of opportunities for game designers to create new kinds of game routines. In this new setting the possibility of increased, even limitless, gambler interaction develops. Game designers must grasp the change and develop revolutionary games that produce the most of it. Appealing game ideas are required which will catch the curiosity of the players by offering them new and thrilling opportunities, yet not too new and various that the players 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 8,875 million pounds (point eight per-cent of Great britain Gross domestic product (Betting Act, 2005)), of which £1.74 billion is made in costumer losses playing slot machine games (Gaming Board, ‘05).

Slot machine will need a similar mathematical model to produce certain the game is profitable and to accurately determine the min house advantage. In those games that the gambler has an input, the gambler’s optimal technique must be calculated in order to calculate the minimum casino advantage. Probability, Operational Research strategies and Stochastic Processes are used to develop these models. Great programming abilities are also required. If video slot machines slots are to enable games to be extra interactive these games could turn out to be far more advanced and, consequently, extra tough to model. This is a specialized work that only well trained pros can do.