Companion cube in a test chamber

1680 × 1050

Portal puzzle room with cubes

1280 × 1024

Portal game environment

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Portal game quotes with icons

1280 × 1024

Aperture Laboratories login screen

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Scientist in a bathtub

1280 × 1024

GLaDOS and Companion Cubes

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GlaDOS and the cake

1680 × 1050

Companion Cube with hearts

1920 × 1080

Companion Cube with hearts

1920 × 1200

Portal game puzzle icons

1024 × 768

Portal game icon

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Portal Companion Cube

1920 × 1200

Portal puzzle chamber

1920 × 1200

Portal puzzle chamber

1280 × 1024

Portal puzzle chamber

1280 × 1024

Portal game icons collection

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Portal game cover art

1600 × 1200

Portal game icons and logo

1920 × 1200

Portal game icons grid

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