Dark Alley with Lanterns — Black

1680 × 1050

Yellow Atomic Symbol

2560 × 1600

Man Standing in Doorway

3840 × 2160

Aperture Laboratories Logo — Gray, Dramatic, Digital Art, Wall

2560 × 1600

Aperture Science Logo — Gray, Industrial, Digital Art, Text

2560 × 1600

Blue Aperture Logo — Gritty, Digital Art

2560 × 1600

Leon and Claire Hugging

1900 × 1600

Character holding gun in orange light

1920 × 1080

Portal 2 Logo — Gray, Minimalist, Vector Art, Blue Figure, White

1600 × 1200

Young Girl Holding Gun

1600 × 1200

Woman with Blood on Face — Green, Tense

1916 × 1080

Silhouette of a Person — Red, Dark, Ominous

1024 × 768