Aperture Laboratories safety icons

1024 × 768

Aperture Laboratories Logo — Blue, Neutral, Digital Art, Text

1920 × 1200

Aperture Laboratories Logo — Black, Satisfied

1600 × 1200

Aperture Science logo

2560 × 1600

Aperture Laboratories logo and icons

5000 × 3343

Aperture Laboratories warning signs

1440 × 900

Aperture Laboratories interface

1920 × 1200

Portal game safety icons

1280 × 800

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories Logo — Blue, Dramatic

1920 × 1080

Aperture Laboratories logo with graffiti

1920 × 1080

Aperture Laboratories Logo — Teal

1920 × 1080