The upstairs bit is where people play Mah Jong. In terms of a high rollers bit, think they do have a secret room somewhere, think I remember seeing Chopra all those many years ago walking towards a random place.
The toilets are in a random place, not the main ones.
Sure at least 90% of people who go to Aspers don't know those toilets exist. Was amazed when I found them for the first time.
Also the game I was thinking of was Big 2, Sifu.
Completely misread your post as well as wormy's, apologies woops