For more than a hundred years, slot machines have been a well-liked kind of gambling games. After Charles Fey created the first slot machine in the late 19th century, it becamslot appse widely available in American saloons & bars. Electronic slots were first introduced in casinos all over the world as technology developed. Online gambling, including online slot games, emerged with the introduction of the internet in the 1990s. This innovation allowed players to enjoy slot games from their homes without visiting physical casinos.