Some sample questions from this category:
* In "Portal", you awaken in a small room. What objects are on the table in this room?
* Which test chamber introduces the High Energy Pellet?
* In chamber 16, turrets are introduced. They really aren't that dangerous if you
can handle them. Which of these following ways aren't a way to kill them?
* During the Escape, how many secret rooms are there?
* You have finally made it to the Final Boss of "Portal". What are GLaDOS's 3 different cores? Not counting the Morality Core.