Portal game icons and logo

1920 × 1200

Portal game loading screen

1920 × 1080

Portal game wallpaper

1600 × 1000

Thinking with Portals

1024 × 768

Chell and the Aperture Science portal

1600 × 1000

Aperture Science entrance portal

1920 × 1080

Aperture Laboratories logo

1366 × 768

Aperture Laboratories logo

1920 × 1200

Aperture Laboratories logo

1600 × 1200

Aperture Laboratories logo

1680 × 1050

Aperture Laboratories logo

1024 × 600

Aperture Laboratories logo

1680 × 1050

Aperture Laboratories logo

2560 × 2048

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories logo

1920 × 1200

Aperture Laboratories logo

1600 × 1200

Aperture Laboratories logo

1280 × 1024

Portal game loading screen

1600 × 900

Portal game loading screen

1280 × 1024