Portal 2 Logo — Blue, Minimalist, Vector Art, Text

1920 × 1200

The Adventure Continues

1200 × 900

Aperture Science Logo — Black, Dramatic, Digital Art, Atom Symbol

2560 × 1600

Atom Nine Adventures

1200 × 960

Aperture Science Logo — Gray, Industrial, Digital Art, Atom Symbol

2560 × 1600

Atom Nine logo on cosmic background

1200 × 960

Aperture Science Logo — Brown, Neutral

1024 × 1024

Aliens of the Deep

1024 × 768

Aperture Science Logo — Gray, Neutral

1900 × 1200

Atom Nine Evolution

1200 × 960

Aperture Science Logo — Gray, Industrial, Digital Art

1920 × 1200

Neon Sign for Fame

1200 × 900