Companion Cube with hearts

1920 × 1200

Portal Companion Cube with hearts

1920 × 1200

Companion Cube with hearts

1920 × 1200

Companion Cube with hearts

1920 × 1200

Companion Cube with hearts

1440 × 900

Portal Companion Cube with hearts

1920 × 1200

Portal 2 companion cube

1280 × 800

Companion Cube with hearts

895 × 600

Ninjas vs Companion Cube

1280 × 1024

Portal Companion Cube

1920 × 1200

Weighted Companion Cube

1280 × 1024

Companion Cube with hearts

1920 × 1080

Companion Cube with hearts

1920 × 1200

Companion Cube with hearts

1920 × 1080

Portal 2 Companion Cube

1600 × 1000

Companion Cube with hearts

1280 × 800

Aperture Science concept art

1920 × 1080

Aperture Science entrance

1280 × 1024

Companion cube with hearts

1680 × 1050

Portal cake and cube

2560 × 1024