157game specifically refers to a variant played at a particular time of day, typically . The rules are straightforward — players choose a number from a pre-defined set, and if their number is selected, they win. But the simplicity of the rules belies the complexity of winning, which is where strategy comes into play. 157game specifically refers to a variant played at a particular time of day, typically . The rules are straightforward — players choose a number from a pre-defined set, and if their number is selected, they win. But the simplicity of the rules belies the complexity of winning, which is where strategy comes into play.