Green-armored Soldier — Black

1600 × 900

Silver Emblem on Dark Background

1680 × 1050

Halo logo in stone

1440 × 900

Spartan Soldier in Armor — Gold, Dramatic, Digital Art

1024 × 768

Aperture Laboratories Logo — Blue, Digital Art

1131 × 707

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

1920 × 1200

Aperture Laboratories Logo — Cyan, Technological

1280 × 1024

Umbrella Corporation Logo — Red, Dramatic, Digital Art, Text, White

1920 × 1200

Aperture Science Logo — Black, Dark, Mysterious, Night

1683 × 1050

Space Station on Planet — Black, Dramatic

1920 × 1080

Green Helmet with Visor — Dramatic, 3d Render

3908 × 2602

Spartan Soldier Holding Weapon — Green, Dramatic, 3d Render

1600 × 1200