Portal: Prelude Test Chamber 19 (Bonus)

This is the sixteenth and final Bonus map of the game. It is unlocked when the original Test Chamber 19 has been completed.

Hazards

 * High Energy Pellets
 * Crushing
 * Cube Hazard
 * Emergency Intelligence Incinerator

Strategy
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Portals

 * To do

Steps

 * To do

Time
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 * To do

Video strategies

 * To do