Portal Test Chamber 13

This Test Chamber is the fourteenth level of the game, and includes multiple Weighted Storage Cubes as well as Buttons. The Chamber also requires the player to utilize High Energy Pellets and the Unstationary Scaffold in order to proceed.

Hazards

 * High Energy Pellets
 * Cube Hazard

Easter Eggs/Glitches
If you stand on the Unstationary Scaffold when it's not active, and you press the interact key at the black wall, you can hear the door opening sound. Follow the Alternate Portal route for the challenge mode for this chamber to get on the Unstationary Scaffold.