Slots Guide Online gives you valuable information for all the best online slots games. We bring you detailed information about slots game providers and the slots games they supply to online slots operators, game rules, screenshots and more. The slot machine was first invented in 1891 and is a casino gambling machine that creates a game of chance for its customers. The digital revolution has resulted in variations on the original slot machine with players essentially playing a video game, manufacturers are now able to offer more interactive elements, advanced bonus rounds and start of the art video graphics. Slots is the most popular casino game with more than 75% of a casino customers. New slots games are regularly released by the slots providers with some slots games generating a huge popular following.