[DarkCloud_PK]

Things I would improve would be the stairs and the elevator.
The recycled levels for the stair levels are an awful concept, with each flight of stairs, you are always going from right to left, they should alternate which direction you are going with each floor to resemble somewhat realistic stairs.

The elevator concept is just terrible, F for effort. Chat commands for going to floor to floor, really?
Why not have a panel in the elevator that pops up a GUI that has a button for each floor that you can click, with a description of each floor next to each button?