Portal Test Chamber 03

This Test Chamber is the fourth level of the game and introduces the player to the basic principles of portal-placement.

Mechanics

 * Portal Spawner (orange)
 * Portals (orange)

Characters

 * Chell
 * GLaDOS

Objective

 * Complete GLaDOS' Test Track (Test Chamber 03)

Hazards

 * None

Locations

 * Aperture Science Enrichment Center
 * Test Chamber 03 (GLaDOS)