Slots machines used to come in different shapes and sizes, and more importantly, they are intentionally so designed so that they could meet maximum casino players’ demands. In line with land casinos, online casinos have also defined various avatars of slot games and these are very much similar to what land casinos used to have, however, there are few basic differences which are obvious with every online casino game. Generally speaking, slots games are classified according to their reels, like three reels slots, five reels slots, and, etc., and similarly, there are other slot variants which are based on their gameplay rather number of reels they have. Basically, each broad variant of slot games has been developed keeping in mind different playing regions, like fruit slots are more popular in European market while pokies are Australian specifics. Likewise, slots are also classified by prizes they offered, e.g., progressive and non-progressive slots.