Related to Portal title screen

Lost Planet 2 Logo — Black

1024 × 640

Spaceship in Nebula — Green, Cosmic

1600 × 1200

Aperture Laboratories Logo — Black, Dark, Digital Art, Text, Green

1440 × 900

White Figure Falling into Portal — Gray, Surreal

1680 × 1050

White Figure Falling into Portal — Gray

1920 × 1080

White Figure Falling — Gray

1920 × 1080

White Figure Falling

1920 × 1080

Portal game loading screen

1280 × 1024

Portal game ending screen

2464 × 900

Portal game logo and icons

1920 × 1080

White Figure Falling into Portal

1600 × 900

Portal Game Icons

1920 × 1200

White Figure Falling — Blue

1920 × 1200

Portal game icons and logo

1920 × 1200

Aperture Science welcome screen

1280 × 960

Portal game title collage

1024 × 768

Portal game concept on beach

1440 × 900

Portal game advertisement

1280 × 1008

Stick Figure Falling — White, Neutral

1920 × 1200

Computer Screens with Text

1600 × 1000

Chell and the Aperture Science portal

1680 × 1050

Aperture Science entrance portal

1920 × 1080

Woman with Portal Gun

1920 × 1080

Aperture Science Logo — Black, Dark

1920 × 1080