Portal companion cube sketch

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Chell in Aperture Labs

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Portal character in a test chamber

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Portal characters in a city

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GLaDOS and Companion Cubes

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Woman with Portal Gun

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Weighted Companion Cube — Black

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Companion cube in a test chamber

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Companion Cube dialogue

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Aperture Laboratories logo with Companion Cube

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Chell with portal device

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Portal 2 character interaction

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