Aperture Laboratories safety icons

1024 × 768

Portal game puzzle icons

1280 × 960

Aperture Logo — Blue

2560 × 1600

Aperture Science logo wallpaper

1131 × 707

Aperture Science logo with slogan

2560 × 1600

Stick Figure Falling — White

1680 × 1050

Aperture Laboratories logo with graffiti

1920 × 1080

Aperture Science warning sign

1392 × 1536

Aperture Science logo and slogan

2560 × 1600

Aperture Laboratories logo with graffiti

1280 × 1024

Robot Arm and Deer — Green, Dystopian

2560 × 1600

Weighted Companion Cube — White

1680 × 1050