The apartment is the area where you can find the Guitar Prayer. Also, in this area there is a NPC called "bro" in the game's files. You can't kill it with the shovel, and everytime you interact with him, he will cough. He will remaing static in his place, but with face the direction where you are.
Directions
Nexus > Green World > Green Hallway > Outlands > Outlands 2 > Borderland Corridor > Spirit Town > Elevator Room > Elevator > Complex > Apartment
Trivia
- An ambience sound called "airconditioner" can be heard.
- A background of the city can be seen through the windows.