Slots are one of the most popular casino games which offer more payouts when compared with another casino games of roulette, blackjack, poker etc. A slot machine is often generally known as a fruit machine or possibly a poker machine. Sometimes a slot machine is additionally termed as a one-armed bandit. Charles Fey first invented the one-armed bandit in 1887 in San Francisco, USA. Initially he designed the machine with three spinning reels and five symbols comprising diamonds, hearts, spades, horseshoes and also a liberty bell.

Later many improvements were made to Fey's machine. In 1996 the WMS Industries Inc developed the very first video slot machine, which gave the facility of winning an additional payout. Rather than the common three spinning reels, an online video slot comprises five reels. Unlike the 3 reel versions, that offer only one payline, an quality online gambling agency video slot can offer as many as nine paylines.