Portal logo with tagline

1680 × 1050

Portal game logo and tagline

1680 × 1050

Portal Logo with Text

1416 × 900

Portal game title screen

1820 × 1024

Portal logo on dark background

1192 × 670

Portal logo with quote

2560 × 1600

Portal robot with quote

1280 × 1024

character near portal

1440 × 900

Cube with Heart Symbol — Black

1280 × 800

Companion Cube Warning

1280 × 800

Hands Holding a Cube

1280 × 800

Character with Box Head

1600 × 900