Portal 2 Chapter 3 Test Chamber 11

This is the twenty-first level of the game, and is set within a dilapidated Test Chamber. This level introduces the player to the Hard Light Bridge, and the way in which it can be used to reach otherwise inaccessible areas. The Test Camber also includes Toxic Water as its primary environmental hazard, as well as a Rat Man Den.

Hazards

 * Toxic Water