Related to Cave Johnson's lemon rant

White Silhouette of Character — Black, Dramatic, Digital Art

1600 × 1200

Cake Slice with Cherry

1440 × 900

Ninjas Falling Through Portals

1280 × 800

Companion Cube — White

1920 × 1200

Portal Logo — Black

1280 × 770

Portal Logo — Blue

1920 × 1440

White Cube with Heart Symbols — Gray, Dramatic

1920 × 1080

Two Robots in a Facility — White, Dramatic

1920 × 1080

Character Holding Device — Gray

1920 × 1080

Companion Cube with Heart — Pink, Playful, Illustration

1366 × 768

Computer Screens with Text

1600 × 1000

Companion Cube with Heart — Gray

2133 × 1600

Silhouette of Robot — Black, Dramatic

1920 × 1200

Person Falling into Portal — Blue, Dramatic, Digital Art, Arrow, Silhouette

1680 × 1050

Cube with Heart Symbols — Beige, Neutral

1280 × 1024

Word Cloud on Black Background — Abstract, Digital Art, Words

1280 × 800

Hands Holding a Cube — Black, Neutral

2400 × 1920

Weighted Companion Cube — Gray, Serene

1440 × 900

White Cube with Number Two

1600 × 1000

Robotic Sphere with Blue Light — Dramatic, Night, Digital Art

1600 × 900

Person Escaping Ninjas — Gray

1680 × 1050

Link in a Cave — Black

1680 × 1050

Robotic Spheres

1369 × 1133

Person Escaping Ninjas

1680 × 1050