Portal 2 Chapter 4 Test Chamber 20: Difference between revisions
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Revision as of 10:08, 26 October 2021
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sp_a2_triple_laser.bsp Triple Laser
This is the twenty-ninth level of the game, and is the first level to be set within a fully-repaired and functional Aperture Science Test Chamber. This level requires the player to combine precise Portal-placement and multiple Thermal Discouragement Beams in order to proceed.
Hazards
Walkthrough
- Walk over to the Beams and place a portal on the wall on the left-side where the Beam ends.
- Place the other portal to the column facing the three Receptacles.
- Pick up the cube that is already redirecting one of the Beams. Place the cube in front of the portal, so the Beam activates the middle Receptacle.
- Pick up the other cube and place it over the beam coming from the ceiling. Aim it at the Receptacle on the right side.
- Go to the Chamberlock.
It is also possible to complete this chamber without placing any portals if you position the cubes correctly and use a cube and quickly move the cube from side to side. If you do it correctly, holding down the strafe right movement key (default D) the door will open for a split second, letting you slip inside. This is a more difficult solution to the puzzle so the basic solution is recommended.
Video walkthrough
Music
Triple Laser Phase by Aperture Science Psychoacoustics Laboratory [4:15] | 
Download | 
Play
Trivia
- This is the first chamber to be completely cleaned after the destruction of the facility.
Gallery
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