| screenshot = Portal 2 Chapter 8 Test Chamber 17.png
| icon1 = cube dispenser on
| icon2 = cube button on
| icon3 = cube hazard on
| icon4 = excursion funnel on
| icon5 = excursion switch on
| icon6 = laser sensor
| icon7 = laser field on
| icon8 = faith plate on
| icon9 = dirty water
| icon10 = blades hazard
| previous = Portal 2 Chapter 8 Test Chamber 16
| previous = Portal 2 Chapter 8 Test Chamber 16
| next = Portal 2 Chapter 9 Holmes Vs Moriarty
| next = Portal 2 Chapter 9 Holmes Vs Moriarty
}}
}}
This is the fifty-ninth level of the game and the first part of Chapter 9. The level takes place within an [[Aperture Science]] Test Chamber and the maintenance areas of the Facility, and features the [[Aerial Faith Plate]], [[Excursion Funnel]] and [[Conversion Gel]]. [[Crushers]] are present as the primary hazard in this level.
This is the fifty-seventh level of the game and the first part of Chapter 9. The level takes place within an [[Aperture Science]] decoy Test Chamber and the maintenance areas of the facility, and features the [[Aerial Faith Plate]], [[Excursion Funnel]] and [[Conversion Gel]]. [[Crushers]] are present as the primary hazard in this level.
== Hazards ==
== Contents ==
* Falling to your death
=== Mechanics ===
* [[Aerial Faith Plate]]
* [[Conversion Gel]]
* [[Excursion Funnel]]
=== Hazards ===
* Deadly Pits
* [[Crushers]]
* [[Crushers]]
=== Characters ===
* [[Chell]]
* [[GLaDOS]]
* [[Wheatley]]
=== Locations ===
* ''Test Chamber 17 (Wheatley)''
* ''Wheatley's Trap''
* ''Aperture Science Facility''
=== Objective ===
* Get to Wheatley and plug GLaDOS in.
== Walkthrough ==
== Walkthrough ==
{{Spoiler|block=yes|
{{Spoiler|block=yes|
*Go across the corridor to the decoy chamber.
*Use the [[Aerial Faith Plate]] and wait until you get on solid ground.
*Use the [[Aerial Faith Plate]] and wait until you get on solid ground.
*Fire a portal on the [[Conversion Gel]] and the other one on the wall next to the monitors.
*Fire a portal on the [[Conversion Gel]] and the other one on the wall next to the monitors.
*A drop of Conversion Gel will paint your platform. Shoot the first portal under yourself to get to the catwalk.
*A drop of Conversion Gel will paint your platform. Shoot either portal under yourself to get to the catwalk. It doesn't matter which, as for instance you use a blue portal above the catwalk and then fire one underneath, the orange one will be moved over.
*Continue walking along the catwalk.
*Continue walking along the catwalk.
*Stop when you get to the end of the catwalk and shoot a portal on platform below the catwalk.
*Stop when you get to the end of the catwalk and shoot a portal on platform below the catwalk.
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{{Track|The Part Where He Kills You}}
{{Track|The Part Where He Kills You}}
== Fake escape ==
Near the start of the excursion funnel, there's a girder that looks like a possible escape from Wheatley's clutches. However, not only doesn't it lead to any portalable surface, it doesn't actually exist in the first place: Any object, player included, passes right through it.
==Trivia==
* When portalling the tile in the middle of the conversion gel, the game will always place the opposite colored portal onto the escape route at the same time.
“I can't get over how small you are!” This article is a stub. As such, it is not complete. You can help Portal wiki by expanding it.
Portal 2 Chapter 9 Mash-up
sp_a4_finale1.bspFinale 1
This is the fifty-seventh level of the game and the first part of Chapter 9. The level takes place within an Aperture Science decoy Test Chamber and the maintenance areas of the facility, and features the Aerial Faith Plate, Excursion Funnel and Conversion Gel. Crushers are present as the primary hazard in this level.
Fire a portal on the Conversion Gel and the other one on the wall next to the monitors.
A drop of Conversion Gel will paint your platform. Shoot either portal under yourself to get to the catwalk. It doesn't matter which, as for instance you use a blue portal above the catwalk and then fire one underneath, the orange one will be moved over.
Continue walking along the catwalk.
Stop when you get to the end of the catwalk and shoot a portal on platform below the catwalk.
Place the other portal on the wall on the right higher above.
The Part Where He Kills You by Aperture Science Psychoacoustics Laboratory [3:23] | Download| Play
Fake escape
Near the start of the excursion funnel, there's a girder that looks like a possible escape from Wheatley's clutches. However, not only doesn't it lead to any portalable surface, it doesn't actually exist in the first place: Any object, player included, passes right through it.
Trivia
When portalling the tile in the middle of the conversion gel, the game will always place the opposite colored portal onto the escape route at the same time.
Download | 
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