Follow our crystal clear walkthrough and helpful tricks to get you through the rough spots!

Examine the crate; take the LEVER (L).

Walk down.

Examine the vice; use the LEVER on it (M).

Take the BLANK KEY (N).

Walk down.

Look at the door and examine the doorknob; use the PAIR OF TWEEZERS 011 the doorknob to get the KEY PART (O).

Return to the Maintenance Service Room.

Examine the key press; place the KEY PART (P) with the diagram and place the BLANK KEY in the slot (Q) to activate a puzzle.

To solve phase one, connect the dots so the key matches the carving 011 the note (R).

For the second phase, manipulate the buttons to create the key shown 011 the diagram. The green buttons more the drill left and right. The drill head can be swapped between dull and sharp. The red button will activate the drill. The dial raises and lowers the key level.

Solution: D, C, A. D, E, C, A, D, C, A, E, D, and C (R1 ).

You will receive the CAFETERIA KEY.

Walk down.