Aperture Laboratories sign

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Portal game concept on beach

1440 × 900

Portal game advertisement

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Aperture Science Laboratories Logo — Blue, Neutral, Vector Art

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Aperture Science Laboratories Logo — Blue, Neutral

1440 × 900

Aperture Science Cubes

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Portal game loading screen

1280 × 1024

Portal game ending scene

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GlaDOS and the cake

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Woman Holding Portal Gun — Blue

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Matriarch Aethyta quote

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HK-47 droid quote

1920 × 1080