How to Solve Test Chamber 12 in Portal 2 When you first enter Test Chamber 12, you’ll notice a laser hitting a wall, a bottomless pit, and a laser grid on the far side of the pit. The goal of ...

How to Solve Test Chamber 09 in Portal 2 At the start of Test Chamber 09, the player will be subject to a little bit of a monologue from GLaDOS interrupted a few times by Wheatley. There are a few ...