Portal in Wall — Gray

1920 × 1200

Robotic Camera in Tunnel

1920 × 1080

Portal Gun Device — Black

2560 × 1600

Weighted Companion Cube — White

1680 × 1050

Woman in Futuristic Suit — Blue, Dramatic, Digital Art, Characters

1920 × 1200

Giant Alien Creature — Black, Dramatic, Digital Art, Human Figure

1280 × 1024

Umbrella Corporation Logo — Black, Dramatic, Digital Art, World Map

1680 × 1050

Female Character in Black Leather — Dramatic

1280 × 960

Orange Robot Character — Energetic

1024 × 768

Soldier on a Riverbank — Green

1680 × 1050

Aperture Science Logo — Black, Dramatic, Digital Art, Text

2560 × 1600

Aperture Laboratories Logo — Black, Technological, Digital Art, Text, Carbon Fiber, Blue

1576 × 1260