Related to Portal title screen

Aperture Laboratories logo

1920 × 1200

Aperture Laboratories logo

1280 × 800

Aperture Laboratories logo

1600 × 1000

Chell in Aperture Science

1920 × 1080

Portal game icon

1500 × 1000

Umbrella Laboratories loading screen

1600 × 900

Aperture Science Enrichment Center

1440 × 900

Dead Space 2 title screen

1920 × 1200

Crysis 2 logo

2560 × 1600

Portal game title screen

2879 × 899

Portal game loading screen

1920 × 1080

Aperture Laboratories scene

1920 × 1080

Portal game loading screen

1600 × 900

Portal game loading screen

1280 × 1024

Portal game loading screen

1920 × 1200

Portal game ending screen

2464 × 900

Portal game logo and icons

1920 × 1080

Portal game icons and logo

1920 × 1200

Portal game title collage

1024 × 768

Portal game loading screen

1680 × 1050

Portal game icons and logo

1920 × 1200

Portal game concept on beach

1440 × 900

Portal game wallpaper

1600 × 1000

Portal game advertisement

1280 × 1008