White Spherical Robot — Curious

1024 × 768

Robot with Laser Beam — Gray

2560 × 1080

Robot Driving in Desert

2400 × 1160

Four Soldiers in Gas Masks — Gray

1200 × 960

Soldier in Futuristic Armor — Black, Dramatic, Night, Digital Art, Spacecraft

1024 × 768

Person Falling into Portal — Blue, Dramatic, Digital Art

1500 × 1000

Solar Sail Boats

1600 × 1200

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

1024 × 600

Portal Game Map

1440 × 1000

Global Agenda game characters

1680 × 1050

Planet Earth from Space — Black, Dramatic, Night, Digital Art, Stars

1920 × 1080

Soldier in Armor — Green, Dramatic, Digital Art, Space Station, Planet

1920 × 1080