Companion Cube with glowing gears

1280 × 1024

Portal Companion Cube

1280 × 800

Portal Companion Cube

1280 × 800

Companion cube with heart

1600 × 1200

Companion cube concept art

1920 × 1200

Companion cube concept art

1280 × 805

Portal Companion Cube with abstract design

1680 × 1050

Companion Cube with hearts

1680 × 1050

Companion Cube with heart

1281 × 1024

Portal companion cube sketch

1920 × 1200

Companion Cube with hearts

1920 × 1200

Companion cube with hearts

1920 × 1200

Companion Cube with hearts

1280 × 1024

Companion Cube with hearts

1680 × 1050

Companion Cube proposal

1920 × 1440

Companion Cube with hearts

1920 × 1200

Companion cube with hearts

5000 × 3125

Companion Cube with hearts

1200 × 960

Portal Companion Cube

1366 × 854

Chell's Companion Cube

1680 × 1050