UNSC Emblem on Dark Background

1024 × 768

Aperture Science Logo — Gray, Industrial

1920 × 1200

Spartan Soldier in Armor — Green, Dramatic, Afternoon

1920 × 1200

Aperture Science Logo — Gold, Industrial

2560 × 1600

Halo Reach Spartan

1680 × 1050

Aperture Laboratories Logo — Cyan, Futuristic, Digital Art, Text, Black

1440 × 900

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

1280 × 1024

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

1920 × 1020

Portal Game Logo and Icons — Black

1920 × 1200

Aperture Laboratories Logo — Black, Dramatic, Digital Art

1920 × 1200

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

1280 × 1024

Aperture Laboratories Logo — Cyan, Technological, Digital Art

1280 × 800