Related to White Figure Running — Black

Aperture Science Logo — Gray, Dramatic

2560 × 1600

Stick Figure Running — White

1680 × 1050

Portal title screen

1440 × 900

Two People Using Portals

1280 × 1024

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

1920 × 1200

Aperture Logo on Wall — Gray

2560 × 1600

Blue Ring on Black Background — Minimalist

1280 × 960

Stick Figure Falling — White, Minimalist

1600 × 1200

Hands Holding a Cube — Black, Neutral

2400 × 1920

Golden Ring on Black

1280 × 960

Robotic Characters in Dark Room — Gray

1920 × 1200

Silhouette of Robot and Cake

1366 × 768

Aperture Logo on Wall — Gray, Gritty

2560 × 1600

Hands Holding a Cube — Black, Dramatic

1680 × 1050

Stick Figure Falling — Black, Dramatic, Digital Art, Portal, Cube, Glow

1280 × 1024

Aperture Logo — Black, Minimalist, Vector Art

1920 × 1080

Portal Game Logo — Black, Minimalist, Vector Art

1920 × 1200

Portal robots in a line

1920 × 1200

Stick Figure Falling — White, Neutral

1920 × 1200

Weighted Companion Cube — Black

1280 × 800

Hands Holding a Cube — Black

1680 × 1050

Portal game logo

1920 × 1080

Chell Holding a Cube

1280 × 800

Portal Game Icons — Black, Minimalist

1366 × 768