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

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

1280 × 800

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

Portal Logo — Black

1280 × 770

Person Escaping Ninjas — Gray

1680 × 1050

Portal Logo — Blue

1920 × 1440

Robotic Spheres

1369 × 1133

Person Escaping Ninjas

1680 × 1050

Aperture Logo on Wall — Black

2560 × 1600

Portal game art collage

1440 × 1000

Lara Croft in Cave — Black, Dramatic, Digital Art, Bow and Arrow, Shipwreck, Rain, White

2560 × 1600

Aperture Science Facility

1920 × 1080

Portal Device in Test Chamber

1920 × 1080

Minecraft cave with text

1280 × 1024

Portal Logo — Blue, Dark

1920 × 1440

Aperture sign with paradoxes

1920 × 1080

Stick Figure in Water

1024 × 640

Woman with Portal Gun

1920 × 1080

Character Holding Device — Gray

1920 × 1080

Ninjas and portals

1366 × 768