Red Armored Warrior — Black

1680 × 1050

Aperture Laboratories Logo — Blue, Dramatic

1920 × 1080

Woman Holding Portal Gun — White, Action

1920 × 1080

Armored Soldier in Jungle — Black

1600 × 900

Orange and Blue Armored Figures

1920 × 1080

Armored Figure with Lightning — Brown

1920 × 1080

Armored Soldier with Helmet — Black

1920 × 1080

Armored Soldier Holding Weapon

2560 × 1600

Terran Soldier in Sci-fi Base

1600 × 1200

Aperture Science Logo — Blue, Technological

1440 × 900

Woman Holding a Weapon — White

1086 × 1000

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

1920 × 1200