Female Characters in Panels — Red

1280 × 960

Anime girls with mechs

1280 × 800

Haruruko and the Kaisar-Mat

1280 × 1024

Zero: Endless Battle

1600 × 1200

Four Characters in Armor — Red, Aggressive

1600 × 1200

two anime characters in blue uniforms

1920 × 1200

Aperture Science Logo — Black, Minimalist, Vector Art

1920 × 1200

Aperture Science logo

2560 × 1600

Aperture Science logo

2560 × 1440

Aperture Laboratories Logo — Black, Dark, Digital Art, Text, Concrete Wall

1280 × 1024

Armored Soldier in Jungle — Black

1600 × 900

Four Schoolgirls in Classroom — Brown

1920 × 1080