Pachinko machines are sort of a vertical pinball machine. One of my coworkers collected antique models (at what I considered exorbitant prices). So I was excited to see Pachinko parlors near our hotel. The older models are classy in the same way as classic movies. The newer models are glitzier but the concept of play remains the same.
If you’re interested in playing pachinko, this link https://www.wikihow.com/Play-Pachinko gives a good description. From Wikipedia: “By 1994, the pachinko market in Japan was valued at ¥30 trillion (nearly $300 billion).
As of 2015, Japan’s pachinko market generates more gambling revenue than that of Las Vegas, Macau and Singapore combined.”
The entire Wikipedia article and references is at this link. Now, pachinko is spreading, mostly to other Asian countries, so it’s a trend to watch.