Portal 2 Chapter 1 Test Chamber 5

This is the fifth level in the game and, like the other early levels, is set within a dilapidated Test Chamber. It introduces the player to some of the basic principles behind Portal physics, namely the way in which speed and momentum can be used in combination with Portals. Panels are also introduced in this level, and are are activated through the use of Buttons. Finally, the first environmental hazard, Toxic Water, is introduced in order to add a consequence for failure.

Hazards

 * Toxic Water