Portal: Prelude Test Chamber 00

This Test Chamber is the first level of the game, and introduces the player to the supervisors Mike and Erik, as well as Portals, the Weighted Storage Cube, the Heavy Duty Super Colliding Super Button, the Chamberlock and the Emancipation Grill.

Hazards

 * Cube Hazard

Trivia

 * The radio music loop is not the same between versions. In the 1.0.0 version, the loop was an extract of Rock You Like A Hurricane by Scorpions, then it was replaced by an extract of Still Alive (Rock Version) by Razor Red Noise since version 1.1.0.
 * The vault lift intro sequence is only on the last version (1.1.5).