Companion Cube

2560 × 1600

Cube with Heart Symbols — White, Dramatic, Digital Art

1920 × 1080

White Cube with Blue Core — Neutral

1920 × 1080

Portal game quotes and icons

1280 × 1024

Stick Figures with Text

1280 × 1024

Person Using Portals — Gray, Humorous

1280 × 1024

graffiti-covered wall in game

1920 × 1200

Aperture Science wall graffiti

1200 × 900

Crowbar in Display Case — Black, Dark, Illustration, Hands, Text

1920 × 1080

Cybernetic Girl in Helmet

1280 × 800

Robotic Spheres

1369 × 1133

White Cube with Number Two

1600 × 1000