Alien Head Made of Skulls — Black

1920 × 1080

StarCraft II Source artwork

1280 × 960

Soldier in Gas Mask — Gray, Dramatic, Digital Art, Gun, Logo, Wall

1024 × 768

Two Robots in Motion

1680 × 1050

Portal 2 Logo — Gray, Neutral, Digital Art

1920 × 1080

Man and Woman in Futuristic Gear — Gray

1440 × 900

Lost Planet 2 Logo — Black

1024 × 640

Half-Life 2 Logo — Brown, Dramatic

1024 × 768

Alien Landscape with Mountains — Blue

1920 × 1080

Female Character Holding Gun — Blue, Action, Digital Art

1920 × 1080

Armored Soldier Holding Weapon

2560 × 1600

Aperture Science Logo — Blue, Technological

1440 × 900