Portal Test Chamber 15

This Test Chamber is the sixteenth level of the game, and introduces the player to more advanced Flinging techniques. The Chamber also requires the player to utilise High Energy Pellets and work with timed Switches.

Mechanics

 * Victory Lift
 * Unstationary Scaffold
 * High Energy Pellet (launcher and catcher)
 * Emancipation Grill
 * Flinging
 * Pedestal Button

Hazards

 * Getting hit by a High Energy Pellet
 * Goo

Alternative Solutions
{{Spoiler|block=yes|
 * In the very last room, players are able to fling themselves onto the victory lift using the altitude from either of the two lifts.

Trapping Yourself

 * use the alternate solution but instead of flinging to the exit, open both doors and fling inside.
 * GLaDOS will be forced to open the button door

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