The main categories of online slot machines include classic 3-reel slots, video slot games, fruit machines, and progressive slots. Classic 3-reel slot machines are computerized versions of the slot machines that were invented by Charles Fey in 1887. They are perfect games for the beginning slot player because of their easy and straightforward format. Rival, one of the leading software providers for the online gambling industry, has introduced 10 3-reel slot machines over the past two years. This article discusses these 3-reel slot games, including Big Cash Win, Chicken Little, Fantastic Fruit, Flea Market, Gold Rush, Major Moolah, Milk the Cash Cow, Sevens and Bars, Strike Gold, and Surf Paradise.…