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  • Central AI Chamber

    The Central AI Chamber, a setting for many major events in Portal and Portal 2, is a large bay...

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current20:43, June 21, 2012Thumbnail for version as of 20:43, June 21, 2012512 × 512 (24 KB)URL (Talk | contribs)(Automated) PNG recompression (35,617 -> 24,981 bytes)
10:13, June 24, 2011Thumbnail for version as of 10:13, June 24, 2011512 × 512 (35 KB)Klow (Talk | contribs){{Information |attention= |description=Unused Test Shaft 09 sign. |source=''Portal 2'' |author= |filespecs= |licensing={{Gamescreenshot}} |other versions= |cat artist= |cat subject=Category:Test Shaft 09 images |cat type=[[Category:Portal 2 t

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