Slot machines have been around for quite some time now. The story begins back in the 20^th century when The Liberty Bell Machine was presented as the world’s first slot machine.

Decades later, slot machines can be found everywhere - in brick and mortar casinos, at online casinos and even on mobile devices. Players seem to love these seemingly simple games and they can’t stop spinning the reels that every now and then treat them with mouth watering prizes. Hence, the question that many people ask themselves is: “What makes slot machines so addictive?”