Portal game loading screen

1280 × 1024

Portal game ending scene

1920 × 1200

Blue Aperture Logo — Black

2560 × 1600

Person Falling Through Portal — Blue

1280 × 905

GlaDOS and the cake

1680 × 1050

Aperture Science Laboratories Logo — Blue

1024 × 600

Aperture Science Logo — Black, Neutral

1280 × 1024

Portal Gun from Aperture Science

1920 × 1200

Aperture Science Project Portal

1280 × 800

Aperture Science Logo — Black

1417 × 863

Aperture Science logo

1920 × 1200

Aperture Science logo

1920 × 1200