How do I get out of the underground complex?

Hint 1 of 15:

The knocked out guard may attract attention.

Hint 2 of 15:

Pull the unconscious guard into the cell.

Hint 3 of 15:

You have a disguise, but what about the Queen?

Hint 4 of 15:

The guard is about your size.

Hint 5 of 15:

Take the guard's uniform.