Portal Test Chamber 14

This Test Chamber is the fifteenth level of the game, and includes Weighted Storage Cubes and Buttons, as well as the High Energy Pellet.

Hazards

 * Cube Hazard
 * High Energy Pellets
 * Goo

Alternative Solution
The commentary node in this level reveals that the development team was made aware of this matter during play-testing, and that it was left in on purpose.

Video walkthrough
Alternate Solutions:

Download demo file