Companion Cube with Hearts — Black, Romantic, Digital Art, Text

1920 × 1200

Weighted Companion Cube — Black, Romantic

1280 × 1024

Woman Holding Portal Gun — White, Action

1920 × 1080

Man in Armor Holding Crowbar

1920 × 1080

Soldier in Gas Mask — Gray, Dramatic, Digital Art, Gun, Logo, Wall

1024 × 768

Companion Cube with Hearts — Purple

1920 × 1200

Companion Cube — Blue, Melancholic

1700 × 1200

Aperture Laboratories Logo — Brown, Dramatic

2560 × 1600

Aperture Science Logo — Blue, Technological

1440 × 900

Silhouette in Ruined Facility

1280 × 800

Four People Near Fence

1920 × 1080

StarCraft II Logo — Blizzard Entertainment

1680 × 1050