Computer Screens with Text

1600 × 1000

Stick Figures in a Lab

1600 × 1200

White Robot with Red Light — Gray

1280 × 800

White Robot with Red Light

1366 × 768

Chell with Robots — White, Dramatic

1920 × 1200

Portal Game Icons

1920 × 1200

P-Body Robot

1280 × 1024

Aperture Laboratories logo

1440 × 900

Aperture Laboratories logo

3840 × 1080

Aperture Laboratories logo

1917 × 1036

Atlas and P-body robots

1366 × 768

Aperture Laboratories Logo — Black, Futuristic

1600 × 1200