| title = Portal 2 Chapter 4 Test Chamber 18 (Almost to the end of the game)
| title = Portal 2 Chapter 4 Test Chamber 18
| valve-title= Column Blocker
| valve-title= Column Blocker
| map = sp_a2_column_blocker.bsp
| map = sp_a2_column_blocker.bsp
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}}
}}
This is the twenty-seventh level of the game and the first part of Chapter 4. Before the chamber starts, the is a "surprise" GLaDOS gives you. Of course, it`s a prank. Chamber 18 of Chapter 4 "The Surprise" is set within a dilapidated Test Chamber, and requires the player to utilise advanced knowledge of the [[Hard Light Bridge]] and [[Thermal Discouragement Beam]] in order to proceed. This level features both [[Goo]] and [[Turrets]] as its main hazards. {{spoiler text|[[Wheatley]] also makes a lengthy appearance at the end of the level.}}
This is the twenty-seventh level of the game and the first part of Chapter 4. It is set within a dilapidated Test Chamber, and requires the player to utilise advanced knowledge of the [[Hard Light Bridge]] and [[Thermal Discouragement Beam]] in order to proceed. This level features both [[Goo]] and [[Turrets]] as its main hazards. {{spoiler text|[[Wheatley]] also makes a lengthy appearance at the end of the level.}}
== Contents ==
== Contents ==
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*[[Thermal Discouragement Beam]]
*[[Thermal Discouragement Beam]]
*[[Turrets]]
*[[Turrets]]
=== Locations ===
* ''Aperture Science Enrichment Center''
* ''Test Chamber 18 (GLaDOS)''
* ''Surprise Room''
* ''Nanobot Working Area (in-between chambers 18-19)''
== Walkthrough ==
== Walkthrough ==
Latest revision as of 18:24, 26 September 2022
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Portal 2 Chapter 4 Test Chamber 18
sp_a2_column_blocker.bspColumn Blocker
This is the twenty-seventh level of the game and the first part of Chapter 4. It is set within a dilapidated Test Chamber, and requires the player to utilise advanced knowledge of the Hard Light Bridge and Thermal Discouragement Beam in order to proceed. This level features both Goo and Turrets as its main hazards. Wheatley also makes a lengthy appearance at the end of the level.
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