They’ve got you out gunned. Turrets are introduced in Portal 2 in Test Chamber 13 during Chapter 3, but it’s not until Test Chamber 15 that they truly start to be recognized as the threats that they ...

All the Latest Game Footage and Images from Test Chamber Test Chamber is a stylish, difficult, and not-quite-euclidean puzzle game. Guide our cube-headed hero through a mind-bending world, with levels ...

puzzles. Please try again shortly. If I try a few times, it will eventually let me play. I have the following ports open on the firewall, as per the "Required Ports for Steam" article in the knowledge ...