Companion Cube — Gray

1680 × 1050

Weighted Companion Cube — Orange, Playful

1280 × 800

Cube with Heart Symbols — White, Neutral

1920 × 1080

White Cube with Heart Symbols — Gray

1600 × 1000

Portal Companion Cube

1280 × 1024

Portal companion cube with heart

1680 × 1050

Companion Cube with hearts

1920 × 1080

cube with heart symbols

2560 × 1600

Portal gun from Aperture Science

1200 × 750

White Spherical Robots

1415 × 796

Two Robots Interacting — White

1920 × 1080

Two Robots in a Room

1600 × 900