Related to Portal title screen

Portal title screen

1440 × 900

Aperture Laboratories logo with Companion Cube

1680 × 1050

Aperture Laboratories login screen

1102 × 719

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories logo

1532 × 1080

Aperture Laboratories logo

1272 × 800

Aperture Laboratories logo

1920 × 1200

Aperture Laboratories logo

1280 × 800

Aperture Laboratories logo

1440 × 900

Aperture Laboratories logo

1280 × 800

Aperture Laboratories logo

1680 × 1050

Aperture Laboratories logo

2560 × 1600

Aperture Laboratories logo

1280 × 800

Aperture Laboratories logo

1680 × 1050

Aperture Laboratories logo

1440 × 898

Aperture Laboratories logo

1600 × 1200

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories logo on hexagons

1440 × 900

Aperture Laboratories logo

1920 × 1200

Aperture Laboratories logo

1280 × 800

Aperture Laboratories logo

1600 × 1000

Portal game icon

1500 × 1000

Aperture Science Enrichment Center

1440 × 900

Crysis 2 logo

2560 × 1600