Aperture Science Logo — Brown, Dramatic

2560 × 1600

Aperture Laboratories Logo — Orange, Dramatic, Digital Art

1920 × 1200

Aperture Laboratories Logo — Orange, Dramatic

1920 × 1200

Aperture Laboratories Logo — Orange

1600 × 1000

Portal Game Logo — Black, Neutral

1440 × 900

Robotic Spheres in Chamber

1680 × 1050

Portal cubes and logo

1680 × 1050

Aperture Science Logo — Gold, Industrial

2560 × 1600

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

1440 × 900

Aperture Science logo on peeling wall

1920 × 1200

Aperture Science Logo — Gray, Industrial

1920 × 1200

Concrete Wall with Graffiti

1280 × 1024