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Aperture Laboratories logo

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Aperture Laboratories logo

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Aperture Laboratories logo

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Aperture Laboratories logo

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Aperture Laboratories logo

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Aperture Laboratories logo

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Portal gun from Aperture Science

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Portal 2 game artwork

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Aperture Laboratories logo

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Freeman logo with lambda symbol

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Halo 2 logo on red background

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Half-Life logo on black

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Portal logo with quote

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Demigod logo with glowing effect

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Half-Life 2 glowing logo

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Halo logo in stone

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