Related to Silhouette of a Person — Gray, Neutral

Chell and the Aperture Science portal

1680 × 1050

Portal: It's Been a Long Time

800 × 1280

Aperture Science entrance portal

1920 × 1080

Aperture Science Handheld Portal Device

1200 × 670

Aperture Science Portal Blueprint

1151 × 800

Aperture Science Facility — Gray

1920 × 1080

Aperture Science logo in game

1920 × 1080

Aperture Logo — Blue, Dark

1600 × 900

Portal game icon

2622 × 3312

Portal Gun Device — White, Neutral

1024 × 768

Aperture Science welcome screen

1280 × 960

Chell in Aperture Science

2560 × 1440

GLaDOS in Aperture Science

1920 × 1080

Aperture Science word cloud

1131 × 707

Aperture Science test chamber

1280 × 960

White Figure Falling into Portal

1600 × 900

Person Falling into Portal — Gray

1280 × 1024

Portal game logo and cube

1920 × 1200

Aperture Science escape view

1680 × 1050

White Figure Falling — Blue

1920 × 1200

Aperture Science Logo — Blue

1920 × 1080

Aperture Logo on Wall — Gray, Dystopian

2560 × 1600

Aperture Logo — Yellow

2560 × 1600

GLaDOS in Aperture Lab

1920 × 1080