Aperture Laboratories logo

1920 × 1200

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories logo

1920 × 1080

Aperture Laboratories logo

1280 × 800

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories scene

1366 × 768

Aperture Science logo in game

1920 × 1080

Portal game logo and cube

1920 × 1200

Portal robots in a test chamber

1920 × 1200

Aperture Science Innovators logo

1024 × 1024

Aperture Science logo

1728 × 1080

Portal game logo

1280 × 960

Portal game logo

1920 × 1440

Portal game logo and tagline

1680 × 1050

Portal game logo

1280 × 960

Portal Gun from Aperture Science

1920 × 1200

Portal game ending screen

2464 × 900

Aperture Science Project Portal

1280 × 800

Portal game title screen

2879 × 899

Aperture Laboratories logo with graffiti

1440 × 900