Robotic Turrets

1680 × 1050

Wooden Robot Character — Brown

1280 × 1024

Cube with Heart Symbols — White, Neutral

1920 × 1080

White Cube with Heart Symbols — Gray

1600 × 1000

White Cube with Number Two

1600 × 1000

Portal game interface with cube

1920 × 1200

Portal game logo and cube

1920 × 1200

heart-themed portal cube

1440 × 900

Portal game artwork

1920 × 1200

Companion Cube with heart

1920 × 1080

Companion Cube with hearts

1440 × 900

Portal game title screen

1280 × 800