Related to Aperture Laboratories warning signs

Chibi GLaDOS character art

1600 × 1200

Weighted Companion Cube — Black, Romantic

1280 × 1024

Companion cube reminder

1280 × 1024

Robotic Arm and Deer — Green

1920 × 1200

Portal Gun Device — Black

2560 × 1600

Robotic Eye in Space

1920 × 1080

Cl4p-tp Stairs

1920 × 1080

Woman Holding Portal Gun — White, Action

1920 × 1080

Companion Cube with Heart — Pink, Playful, Illustration

1366 × 768

Weighted Companion Cube — Gray, Serene

1440 × 900

Portal 2 game art

1920 × 1080

Collection of Game Icons — Black, Playful

1680 × 1050

Man in Armor Holding Crowbar

1920 × 1080

Crowbar in Display Case — Black, Dark, Digital Art

1600 × 1000

Silhouette of Person under Light — Blue

1920 × 1080

Robotic Figure in Mist — Blue

1920 × 1200

Portal 2 companion cubes

3200 × 1200

Portal 2 character art

1280 × 1024

Chell in a portal bubble

2600 × 1600

Stick Figure Falling — Portal

1400 × 900

Companion Cube with Hearts — Blue, Melancholic, Digital Art

1920 × 1200

Companion Cube — Blue, Serene

1920 × 1200

Silhouette in Ruined Facility

1280 × 800

Robot with Blue Eye — Calm

1602 × 1024