Aperture Science warning sign

1392 × 1536

Robot Arm and Deer — Green, Dystopian

2560 × 1600

Aperture Laboratories logo

1280 × 1024

Umbrella Corporation Logo — Red, Dark, Ominous, Digital Art, Binary Code

1920 × 1080

Aperture Science Logo — White

1920 × 1080

Woman with Robot Companion — White

1280 × 800

Turret Sentry Gun

1920 × 1200

Stormtrooper and Imperial Officer helmet

1600 × 900

Chell's Companion Cube

1680 × 1050

Aperture Science logo with slogan

2560 × 1600

Aperture Science Logo — Black, Minimalist

1280 × 1024

Aperture Logo — Blue

2560 × 1600