Power Button Interface — Black, Dramatic, Digital Art

1920 × 1080

Portal game loading screen

1280 × 1024

Aperture Laboratories Logo — Black, Dark, Digital Art, Text, Concrete Wall, Gray

1600 × 1200

Companion Cube — Green

1920 × 1200

Aperture Laboratories Logo — Camera Aperture

1280 × 800

White Spherical Robot — Curious

1024 × 768

Portal Gun Device — White, Technological, 3d Render, Aperture Laboratories Logo

1920 × 1200

Two Robots in Corridor — White, Dramatic

1920 × 1080

Portal to Test Chamber

1680 × 1050

Silhouette in Ruined Facility

1280 × 800

Robots in a Facility — White

1920 × 1200

Man on Large Screen

1680 × 1050