Portal game logo and tagline

1680 × 1050

Portal logo with tagline

1680 × 1050

Aperture Laboratories logo

1440 × 900

Aperture Laboratories logo

3840 × 1080

Aperture Science logo

2560 × 1600

Aperture Laboratories logo

1917 × 1036

Blue Aperture Logo — Minimalist

2560 × 1600

Portal character with portal gun

1920 × 1200

Stick Figure Holding Cube

1600 × 1200

Portal game title screen

1820 × 1024

Portal game title screen

1920 × 1200

Portal game icon

1500 × 1000