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	<updated>2026-04-09T08:58:15Z</updated>
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	<entry>
		<id>https://theportalwiki.com/w/index.php?title=Portal_2_Chapter_9_Mash-up&amp;diff=191291</id>
		<title>Portal 2 Chapter 9 Mash-up</title>
		<link rel="alternate" type="text/html" href="https://theportalwiki.com/w/index.php?title=Portal_2_Chapter_9_Mash-up&amp;diff=191291"/>
		<updated>2025-12-23T17:30:22Z</updated>

		<summary type="html">&lt;p&gt;Kirkinator: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{stub}}&lt;br /&gt;
&lt;br /&gt;
{{Chamber infobox&lt;br /&gt;
  | title      = Portal 2 Chapter 9 Mash-up&lt;br /&gt;
  | valve-title= Finale 1&lt;br /&gt;
  | map        = sp_a4_finale1.bsp&lt;br /&gt;
  | number     = 17&lt;br /&gt;
  | total      = 19&lt;br /&gt;
  | screenshot = Portal 2 Chapter 8 Test Chamber 17.png&lt;br /&gt;
  | icon1      = cube dispenser on&lt;br /&gt;
  | icon2      = cube button on&lt;br /&gt;
  | icon3      = cube hazard on&lt;br /&gt;
  | icon4      = excursion funnel on&lt;br /&gt;
  | icon5      = excursion switch on&lt;br /&gt;
  | icon6      = laser sensor&lt;br /&gt;
  | icon7      = laser field on&lt;br /&gt;
  | icon8      = faith plate on&lt;br /&gt;
  | icon9      = dirty water&lt;br /&gt;
  | icon10     = blades hazard&lt;br /&gt;
  | previous   = Portal 2 Chapter 8 Test Chamber 16&lt;br /&gt;
  | next       = Portal 2 Chapter 9 Holmes Vs Moriarty&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
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. &lt;br /&gt;
&lt;br /&gt;
== Contents ==&lt;br /&gt;
&lt;br /&gt;
=== Mechanics ===&lt;br /&gt;
&lt;br /&gt;
* [[Aerial Faith Plate]]&lt;br /&gt;
* [[Conversion Gel]]&lt;br /&gt;
* [[Excursion Funnel]]&lt;br /&gt;
&lt;br /&gt;
=== Hazards ===&lt;br /&gt;
&lt;br /&gt;
* Deadly Pits&lt;br /&gt;
* [[Crushers]]&lt;br /&gt;
&lt;br /&gt;
=== Characters ===&lt;br /&gt;
&lt;br /&gt;
* [[Chell]]&lt;br /&gt;
* [[GLaDOS]]&lt;br /&gt;
* [[Wheatley]]&lt;br /&gt;
&lt;br /&gt;
=== Locations ===&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;Test Chamber 17 (Wheatley)&#039;&#039;&lt;br /&gt;
* &#039;&#039;Wheatley&#039;s Trap&#039;&#039;&lt;br /&gt;
* &#039;&#039;Aperture Science Facility&#039;&#039;&lt;br /&gt;
&lt;br /&gt;
=== Objective ===&lt;br /&gt;
&lt;br /&gt;
* Get to Wheatley and plug GLaDOS in.&lt;br /&gt;
&lt;br /&gt;
== Walkthrough ==&lt;br /&gt;
{{Spoiler|block=yes|&lt;br /&gt;
&lt;br /&gt;
*Go across the corridor to the decoy chamber.&lt;br /&gt;
*Use the [[Aerial Faith Plate]] and wait until you get on solid ground.&lt;br /&gt;
*Fire a portal on the [[Conversion Gel]] and the other one on the wall next to the monitors.&lt;br /&gt;
*A drop of Conversion Gel will paint your platform. Shoot either portal under yourself to get to the catwalk. It doesn&#039;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.&lt;br /&gt;
*Continue walking along the catwalk.&lt;br /&gt;
*Stop when you get to the end of the catwalk and shoot a portal on platform below the catwalk.&lt;br /&gt;
*Place the other portal on the wall on the right higher above.&lt;br /&gt;
*Jump through the portal on the platform.&lt;br /&gt;
*Walk along the catwalk.&lt;br /&gt;
*Stop when Wheatley uses the [[Crusher]].&lt;br /&gt;
*Put a portal on the wall on the left to the catwalk further away.&lt;br /&gt;
*Go back a few steps and fire a portal on the wall and go through the portal.&lt;br /&gt;
*Run through the [[Emancipation Grill]] on the left.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
== Video walkthrough ==&lt;br /&gt;
{{walkthrough}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Related achievement ==&lt;br /&gt;
{{Show achievement|Portal 2|The Part Where He Kills You|witdh=50%}}&lt;br /&gt;
{{Show achievement|Portal 2|Pit Boss|witdh=50%}}&lt;br /&gt;
&lt;br /&gt;
== Music ==&lt;br /&gt;
{{main|Portal 2 soundtrack}}&lt;br /&gt;
{{Track|The Part Where He Kills You}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Fake escape ==&lt;br /&gt;
Near the start of the excursion funnel, there&#039;s a girder that looks like a possible escape from Wheatley&#039;s clutches. However, not only doesn&#039;t it lead to any portalable surface, it doesn&#039;t actually exist in the first place: Any object, player included, passes right through it.&lt;br /&gt;
&lt;br /&gt;
==Trivia== &lt;br /&gt;
* 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. &lt;br /&gt;
* This is the part where he kills you.&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[Wheatley Test Chamber 18]]&lt;br /&gt;
*[[Wheatley Test Chamber 19]]&lt;br /&gt;
&lt;br /&gt;
==Gallery==&lt;br /&gt;
{{Gallery&lt;br /&gt;
|width=192&lt;br /&gt;
|height=108&lt;br /&gt;
|lines=2&lt;br /&gt;
|File:Chapter 9 Chamber 17.jpg|alt1=Wheatley&#039;s trap|Wheatley&#039;s trap.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
{{TestChambersNav}}&lt;br /&gt;
[[Category:Portal 2 chambers]]&lt;/div&gt;</summary>
		<author><name>Kirkinator</name></author>
	</entry>
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