Aperture Laboratories login screen

1102 × 719

White Figure Falling into Portal — Gray, Surreal

1680 × 1050

Portal character photoshoot

1280 × 800

Wheatley from Portal

1920 × 1200

Chell with Robots — White, Dramatic, Digital Art, Glados

1920 × 1200

Portal 2 promotional artwork

1920 × 1080

Portal 2 character art collage

1920 × 1200

Portal 2 promotional art

1440 × 900

Portal fan art collage

3840 × 1080

Silhouette of Robot and Cake

1366 × 768

Robots in a Facility — White

1920 × 1200

Aperture Laboratories Logo — Black, Minimalist, Vector Art, Text, Silver

1280 × 1024