Weighted Companion Cube — Black

1280 × 800

Stick Figure Falling — White, Neutral

1920 × 1200

Aperture Laboratories login screen

1102 × 719

Portal Game Icons — Black

6000 × 4067

Hands Holding a Cube — Black

1680 × 1050

Aperture Laboratories Diagram

1920 × 1080

White Figure Falling — Blue

1920 × 1200

Portal Game Logo — Black, Dark, Mysterious

2879 × 899

Aperture Laboratories Logo — Blue, Dramatic

1920 × 1080

Aperture Laboratories Logo — Teal

1920 × 1080

Woman with Portal Gun

1920 × 1080

Stick Figure in Water

1024 × 640