Portal 2 Logo — Gray, Minimalist, Digital Art

1680 × 1050

Half-Life 2 Logo — Brown, Dramatic

1024 × 768

Female Character Holding Gun — Blue, Action, Digital Art

1920 × 1080

Two Figures in a Ruined Landscape — Green

1680 × 1050

Alien Ship in Fog

1920 × 1080

Mass Effect 2 Logo — White

2560 × 1600

Portal Gun Device — Black

2560 × 1600

Two Robots in Motion

1680 × 1050

Portal 2 Logo — Gray, Neutral, Digital Art

1920 × 1080

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

1024 × 768

Man and Woman in Futuristic Gear — Gray

1440 × 900

Woman Holding Portal Gun — White, Action

1920 × 1080