Weighted Companion Cube — Black, Romantic

1280 × 1024

Chell's Companion Cube — Black

1680 × 1050

Robotic Arm and Deer — Green

1920 × 1200

Companion Cube — Gray

1680 × 1050

White Spherical Robot — Curious

1024 × 768

Aperture Science Logo — Brown, Neutral

1024 × 1024

Aperture Science Logo — White

1920 × 1080

Stick Figure Falling — White, Surreal, Digital Art

1280 × 1024

Turret Sentry Robot — Black, Dramatic

1152 × 864

Stick Figures in a Lab

1600 × 1200

Aperture Laboratories Logo — Brown, Dystopian

1600 × 1000

Portal character in Aperture Labs

1920 × 1080