Person Falling into Portal — Gray

1280 × 1024

Stick Figure Falling — Gray

1280 × 1024

Aperture Logo — Blue, Dark

1600 × 900

Hooded Figure in Dark — Black, Dramatic, Tense

1920 × 1080

White Robots in a Row — Black, Dramatic

1920 × 1080

Aperture Logo on Wall — Black

2560 × 1600

two robots in a tunnel

1280 × 1024

Two Robotic Spheres in Space

1920 × 1200

Cave Johnson Character — White

1600 × 1200

Spherical Robots in Space — Black

5760 × 1080

Spherical Robots in Space — Black, Humorous

1920 × 1080

Spherical Robots in Space

1920 × 1080