Companion Cube — Green

1920 × 1200

Companion Cube with Hearts — Black, Romantic, Digital Art

1280 × 800

Companion Cube with Hearts — Blue

895 × 600

Robot in a Puzzle Room

1280 × 1024

Ninjas vs Companion Cube

1280 × 1024

White Cube with Portal

1920 × 1200

Robotic Arm Holding Cube

1920 × 1200

Portal robots in a lab

1920 × 1080

Portal 2 cake and companion cube

2560 × 1600

Portal game logo and cube

1920 × 1200

Portal game interface with cube

1920 × 1200

Chell Holding a Cube

1280 × 800