Aperture Laboratories Logo — Brown, Dramatic

2560 × 1600

Chell with Robots — White, Dramatic, Digital Art, Glados

1920 × 1200

Aperture Science logo and slogan

2560 × 1600

Aperture Laboratories Logo — Black, Dark, Industrial, Digital Art

2560 × 1600

Aperture Laboratories safety icons

1024 × 768

Stick Figure Falling — White

1680 × 1050

Aperture Science Logo — Black, Neutral, Vector Art, Text

1600 × 900

Woman with Robot Companion — White

1280 × 800

Aperture Science logo with slogan

2560 × 1600

Aperture Logo — Blue

2560 × 1600

Portal game puzzle icons

1280 × 960

Aperture Laboratories Logo — Black, Dramatic, Digital Art

1920 × 1200