Woman with Portal Gun

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Companion cube in a test chamber

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Aperture Laboratories logo with Companion Cube

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Portal 2 character interaction

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Portal puzzle room with cubes

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Portal 2 robots in a test chamber

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Companion Cube — Green

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Weighted Companion Cube — Gray

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Companion Cube — Blue

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White Cube with Number Two

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Companion Cube with Hearts — Blue, Melancholic, Digital Art

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Companion Cube — Blue, Serene

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