Related to Portal title screen

GLaDOS and Wheatley in Aperture

2560 × 1199

Chell in Aperture Lab

1920 × 1080

Chell and Wheatley in Aperture

1200 × 756

Chell from Portal

944 × 1440

Portal test chamber scene

1440 × 900

Chell in Aperture Labs

1920 × 1200

GlaDOS and the cake

1680 × 1050

Login screens for Black Mesa and Aperture Science

2880 × 900

Portal game icon

1680 × 1050

Aperture Science logo

1280 × 1024

Portal test chamber view

1920 × 1080

Portal game logo screen

1680 × 1050

Portal game logo with icons

1440 × 900

Portal game cover art

1600 × 1200

Portal game logo and icons

1920 × 1200

Portal game logo art

1680 × 1050

Portal game logo screen

1680 × 1050

Portal game screenshot

1680 × 1050

Portal game icons and logo

6000 × 4067

Portal game icon

1500 × 1000

Portal game concept art

1280 × 1024

Portal game icons collection

1280 × 800

Portal game quotes with icons

1280 × 1024

Portal game cover art

1600 × 1200