Portal Game Logo — Black, Minimalist, Vector Art, Icons, Text

1920 × 1200

Two Rings on Black

1440 × 900

Aperture Science Logo — Blue

1920 × 1080

Chell and a Portal Device

1280 × 1024

Portal Game Logo — Black, Minimalist, Vector Art

1920 × 1200

Portal Game Logo — Black, Dark

3840 × 2160

Portal game logo

1920 × 1080

Portal Logo — Blue

1920 × 1440

Portal Logo — Blue, Dark

1920 × 1440

Portal Logo — Black

1280 × 770

Portal game logo with turrets

1280 × 1024

Portal logo on black

1024 × 819