Post-apocalyptic Landscape — Gray, Dramatic, Bleak

1920 × 1080

Aperture Logo on Wall — Black

2560 × 1600

two robots in a tunnel

1280 × 1024

Silhouette of a Robot — Blue, Dramatic

1920 × 1080

Aperture Laboratories Logo — Black, Dark, Industrial

1440 × 900

Silhouette of Man on Chair

1920 × 1080

Glowing Green Symbol — Dark, Mysterious

1600 × 1200

Batman in Armored Suit — Black, Dark, Night

3840 × 2160

Armored Figure in Dark Environment — Blue

1360 × 768

Hooded Figure in Dark — Black, Dramatic, Tense

1920 × 1080

Samus Aran in Corridor — Purple

1280 × 1024

Turret Sentry Robot

1920 × 1080