Astronauts on Alien Planet — Yellow

1680 × 1050

Woman in Blue Suit Running

3840 × 2160

Character in Futuristic Armor — Purple

3840 × 2160

Aperture Science Logo — Black, Industrial

2000 × 1100

Aperture Science Logo — Black, Neutral, Vector Art, Text

1600 × 900

Aperture Science Laboratories Logo — Blue

1024 × 600

Aperture Science Logo — Blue, Technological

1440 × 900

Aperture Science Logo — Black, Neutral

1280 × 1024

Aperture Science Logo — Brown, Neutral

1024 × 1024

Aperture Science Logo — Gray, Neutral

1900 × 1200

Aperture Laboratories Logo — Orange, Dramatic, Digital Art, Text

1440 × 900

Aperture Laboratories Logo — Black, Neutral, Vector Art, Text

1920 × 1080