Modern day online casino games are functioning very well these days. The visitors of casino first check out slot machine games. The slot machines add stylishness to casinos; especially kids love the spinning. People are forgetting everything while playing slot machines; guaranteed entertainment is specialty of slot machines. Standard random number generator algorithm is applied key use of this algorithm is it generate optimal results. In the past manual machine results are generated it involves lots of controversy so casino organizers rearrange result generation mechanism with random number generation. The winning percentage of before random generation implementation and after random generation completely contrasted. Winning percentage of players increase greater than before, past results are only based on few spins but right now one spin takes millions of calculations. After completing millions of spin only results are displayed. Few players use standard probability based calculations to get right winning combination. One result to another result there is no real common similarities. At the time of reel generation high quality graphical representation shown to players they were really enjoying to see those designs. A complete out of world experience is created while spinning. UN arranged reel is inserted in slot but at the rolling time a well organized pictures are shown in perfect order.