It is a costume for the staff of 28 person version Galaxian3.
(@EXPO'90 M8774B/GH-28)
At that time, this game was popular.
Therefore, it was necessary to wait for 30 minutes or more.
The staff was three groups.
The staff on the outside is work to arrange the guest.
An indoor staff is an explanation to the guest or work of the game operation.
As for me, the staff doesn't remember the same clothes outdoor and indoor.
Original Web is a person who existed in Namco in old times.
It is a person of the main designer of the dragon spirit.
And subdesigner of Starblade and Galaxian3.