Portal turret with red laser

1280 × 1024

Portal turret with laser

1440 × 900

Portal turret with red laser

1920 × 1080

Portal turret sentry

1920 × 1080

Portal game icon

1500 × 1000

Portal game icons and logo

6000 × 4067

Portal game loading screen

1600 × 900

Portal game concept art

1280 × 1024

Portal game loading screen

1680 × 1050

Portal game logo screen

1680 × 1050

Portal game icon

1500 × 1000

Aperture Science entrance portal

1920 × 1080

Portal game concept on beach

1440 × 900

Portal test chamber scene

1440 × 900

Portal game wallpaper

1600 × 1000

Portal game cover art

1920 × 1200

Portal title screen

1440 × 900

Portal title screen

1440 × 900

Portal puzzle chamber

1337 × 1094

Aperture Science Enrichment Center

1440 × 900