Person Entering Portal

1500 × 1000

Umbrella Corporation Logo — Red, Dramatic, Digital Art, Binary Code, Hexagons

1024 × 819

DOOM 3 Logo — Black

1024 × 768

Green-armored Soldier — Black

1600 × 900

Portal 2 Logo — White, Dramatic, Digital Art

3592 × 2032

Armored Soldier Holding Weapon — Blue, Dramatic

7962 × 4976

Soldier in Armor Holding Gun — Green

1680 × 1050

Aperture Laboratories Logo — Black, Dramatic, Night

1600 × 1200

Aperture Science Logo — Black, Dark, Mysterious, Night

1683 × 1050

Aperture Science Logo — Blue, Technological

1440 × 900

Aperture Laboratories Logo — Blue, Technological

1600 × 1200

Aperture Logo — Blue, Dark

1600 × 900