Chell and a Portal Device

1280 × 1024

Portal Logo Design

1920 × 1080

White Spherical Robot — Black, Minimalist

1920 × 1080

Slice of Cake with Cherry — Black, Mysterious

1440 × 900

Chocolate Cake with Candles — Orange

1280 × 800

Person Falling into Portal — Blue, Dramatic, Digital Art

1500 × 1000

Person Falling into Portal — Blue

1680 × 1050

Ninjas Falling Through Portals

1280 × 800

Aperture Symbol on Red Background

1920 × 1080

Aperture Logo on Orange Background

1920 × 1080

Aperture Logo on Red Background

1920 × 1080

Aperture Science Logo — Blue

1920 × 1080