Portal Game Logo — Black, Dark, Mysterious

2879 × 899

Portal Game Logo — Black, Neutral

1440 × 900

Aperture Laboratories cake scene

1280 × 800

Aperture Laboratories logo with Companion Cube

1680 × 1050

Portal 2 Logo — Gray, Neutral, Digital Art, Aperture Laboratories Logo

1920 × 1080

Portal 2 Logo — Gray, Neutral

1920 × 1080

Aperture Laboratories login screen

1102 × 719

Portal 2 Logo — Gray, Minimalist, Vector Art, Stick Figure

1280 × 800

Portal 2 Logo — Gray, Minimalist, Digital Art

1680 × 1050

Aperture Laboratories logo on hexagons

1440 × 900

Aperture Laboratories Logo — Black, Dark, Sleek

1920 × 1200

Portal character with portal gun

1920 × 1200