Crime. Gambling is illegal in Japan, but pachinko is regarded as an exception and treated as an amusement activity. Although awarding direct money prizes for it is illegal, parlors may reward players with tokens which can then be sold for cash at nearby exchange centers.
Pachinko, a popular Japanese gambling game, does involve an element of luck, as it is similar to a slot machine. However, there are some strategies that players can employ to potentially improve their chances of winning.