Related to Half-Life Logo — Black

Man with Green Eyes — Orange

800 × 600

Close-up of Woman's Face — Red, Serious

1920 × 1080

Portal cubes and logo

1680 × 1050

Welcome to City 17

1600 × 1200

Character in Gas Mask — Gray, Dramatic, Autumn

1440 × 900

dark tiled floor with light pattern

1680 × 1050

Gordon Freeman in a greenhouse

1920 × 1080

Woman Holding Potato

1920 × 1080

Gordon Freeman vs Ninjas

1680 × 1050

evolve control combine

1920 × 1200

Concrete Tunnel Interior — Gray, Dark, Ominous

1680 × 1050

Explosion over Forest

1680 × 1050

City under Storm Clouds — Green, Dramatic

1280 × 960

Login screens for Black Mesa and Aperture Science

2880 × 900

Halo 3 Logo — Blue

1024 × 768

Split Blue and Orange Logo

3840 × 1080

Yellow Aperture Logo — Minimalist

1650 × 1080

Silhouette of Character — Orange, Bold

1920 × 1080

Text on a Backpack

1920 × 1080

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

1920 × 1200

Call of Duty MW3 Logo — Black, Dramatic, Digital Art, Green Sound Waves

5760 × 1080

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

1280 × 800

Aperture Laboratories Logo — Black, Dark, Futuristic

1920 × 1200

Aperture Laboratories Logo — Blue, Dramatic, Digital Art, Text, Black

1600 × 1200