Companion Cube Warning

2400 × 1920

Aperture Science workstation

1920 × 1080

Companion cube with Rubik's cube

1024 × 768

Weighted Companion Cube — White, Neutral

1680 × 1050

Portal robots in a test chamber

2700 × 1800

Birthday Cake on Table — Brown

1920 × 1200

Portal robots scene

1400 × 900

Cat in a Portal Maze — Purple

1600 × 1200

Team Fortress 2 characters group

1440 × 900

Companion Cube — Gray

1680 × 1050

Portal Companion Cube

1366 × 854

Portal companion cube sketch

1920 × 1200