In short, the game required the female guests to run away from their partner once the light went off. Using the thermal-vision monocle, they didn't need to worry about not being able to see the road.
Of course, they could try not to move from their place and let their partner find them easily, but would they do that?
The game was said to be a romantic one where the male partner had to find their escort in the dark, relying on their instinct or whatsoever.
The females wouldn't miss such a good opportunity to bond with their male partners. Even when they came here as a couple for formalities, one couldn't say that there are no romantic sparks between them.
Thus, the female guests squealed in excitement while the males groaned.
"Damn it. Why would Mr Zhao make such a girly game?" One of the male guests complained to his friends.
