5-reels, 243 ways, CGI quality graphics and animations, exciting background stories, level based progressive systemsâ€¦ It is true that a modern slot games player will find his/her cup of tea amongst all these choices. And yet, simple 3- slot fruit games are still the most popular ones. And not just only for land based casinos, they are the most popular games amongst the online casino industry too. Golden bell symbol was the first picture that is used in slot machines and it still in use up to this date. We should thank the Bally for the first fruit slot machine produced ever (in 1963) and the fun fact is, these machines are still in use. 3 slots, one payline and fruit pictures with a golden bell symbol - that's the spirit of fruit slot games. Why are they this popular? Simple, they offer the highest RtP (Return to Player) values around, their payouts are huge and they are very easy to play.