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

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

Aperture Laboratories Logo — Black, Minimalist, Digital Art, Text, White, Blue

1920 × 1080

Turret Sentry Robot

1920 × 1080

Soldier in Futuristic Armor — Gray, Dramatic, Digital Art, Palm Tree, Mountain, Black

1600 × 1200

Eye with Digital Overlay — Black, Dark, Mysterious

1680 × 1050