Portal game logo and icons

1920 × 1080

Aperture Laboratories and Portal icons

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Portal character with portal gun

1920 × 1200

Chell in Aperture Science

1920 × 1080

Chell with portal device

1920 × 1080

Portal game logo and icons

1920 × 1200

Portal game icons and logo

1920 × 1200

Aperture Laboratories cake scene

1280 × 800

Aperture Laboratories logo with Companion Cube

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Chell in Aperture Lab

1920 × 1200

Portal title screen

1440 × 900

Portal title screen

1440 × 900