The game Corridor 9 will throw you into a secret bunker, which is located twenty-five floors down underground. You are on the very last floor, and to go upstairs you need to go through all the corridors. It would seem simpler, but each corridor differs from the others in the presence of various anomalies and your task is to notice them, otherwise you will not be able to open the door. The room on the first floor is the standard, remember it, it represents a long narrow corridor with gray walls, lamps and rare paintings. When you reach the door, click on the letter L if you notice an anomaly, and the letter R if everything is normal. An anomaly can be considered the appearance of a new painting, bloody stains on the walls, a change in the color of the door, and so on.
