The purpose of this game is to break out of the rooms. Solve the puzzles and find all the hidden objects that you have to use in the rooms in order to advance to the next floor. In this level, the elevator control is behind two sets of locks. You need to find the key for the vent and passcode for the control.
2. Crate: Go to the wooden crate at the corner. There is a set of wooden bars. Each tap on the bar will raise the bar: 301214. Get a key.