However, penny slots continued growing, just like the number of coins that punters could cash in per spin.įurthermore, there was an increment in the number of paylines as a result of the advent of technology. With the economy’s growth, the popularity of gambling skyrocketed, and manufacturers soon began churning out quarter and nickel slot games. Nevertheless, still, the slot games’ aim is to accommodate 1c or 1p coins. With the advancement of mechanics, punters were able to stake more coins per spin. Early slot games permitted wagers from as little as 1c or 1p.