Portal Test Chamber 17 (Advanced)

This is the fifth advanced chamber of the game. This version is unlocked when the original Test Chamber 17 has been completed. It has the extra challenge of replacing the Companion Cube with a spherical replacement, harder directing of the Pellets into Pellet catchers, as well as an extra flinging section near the end.

Mechanics

 * Edgeless Safety Cube
 * Vital Apparatus Vent
 * Victory Lift
 * High Energy Pellet (launcher and catcher)
 * Flinging
 * Heavy Duty Super-Colliding Super Button (H.D.S.C.S.B)
 * Pedestal Button
 * Door (test chamber)
 * Door (test chamber)

Hazards

 * Getting hit by a High Energy Pellet
 * Getting hit with a cube