It is believed that 7 is a lucky number that can bring you winnings and jackpots. The 7 symbol was brought to the gambling industry in the beginning and is still one of the most popular symbols of the game ever. Slots in this theme may have special bonus features and a round, but usually do not include risky games. These symbols can be seen in most slots with this theme, as well as the Wild, Scatter and Bonus symbols.įree spins will start when 3 or more specific symbols such as Scatter, Wild or Bonus land on the reels and the round can often be triggered again. Most online slots that use the number 7 among their symbols often have other traditional images such as the star, bell or cherries, which are located on retro / traditional slots that have one or three paylines. The number 7 is a symbol that is classified as traditional. It is believed that 7 is a lucky number that can bring you winnings and jackpots.Ĭharacteristics of Seven-themed Slot Machines So when casino slot machines appeared, it made sense to use the number 7 in this new betting style. We see it in the world around us, such as:īut why is 7 a popular number in slot machines? Aside from being known as the lucky number, it is believed to have come from other casino games, and if you roll 7 in a dice game, it is classified as winning. The number seven follows us throughout many aspects of our life. This is a number that keeps on appearing in history as well as in religious texts such as the bible.

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