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In Room 410, a line of text appears on the floor that reads "Threshold of Consciousness". Once the player passes this line, a mysterious Cat appears in front of a grandfather clock located in the middle of the room and asks the player if they are lost.
There are several rooms on both sides of The Cat. When going forward in the central room, the player enters a dark room, with The Cat standing in the center, and an illuminated door. Interacting with The Cat results with it warning the player the danger that lays ahead. When entering through this last door, the layout of the rooms turn demonic, with a red tint covering the player's vision, and Specimen 7 starts the chase.
After escaping Specimen 7, the layout of the rooms return to normal.
In HD Renovation
For the HD Renovation of the game, the player doesn't start in Room 410, instead starting in Room 406. Now, there will be a hallway with the threshold of consciousness sign on the floor. The player will have to run into the wall, breaking through it, and into a large room with a huge grandfather clock from the original game in the middle of it.
On each side is all the doors for the other rooms. The player must enter a door which leads to the normal room layouts until Room 410. In these few rooms, other Specimens may give chase, albeit for a very short time.
The player will do this 3 times, coming back to the main room at Rooms 410, 415, and 421. Then, on the last side of the main room, a door can be opened which will lead to the dark room, leading to Room 422, which then leads to the chase starting at Room 423.
- Before the 2.7 update, the rooms in which Specimen 7 chases the player did not count: the counter simply remained at Room 410.