Traveling through the ventilation system

Hint: How do I navigate the Alien Abductor?

Hint: How do I get on the second floor?

Hint: Which rooms should I visit on the second floor?

Hint: The Computer Science Lab

Hint: The Metallurgy Lab

Hint: The Linguistics Lab

Hint: The Bio-Lab ("Game Player" mode only)

Hint: I've been in every room I could enter, now what?