Companion Cube with Hearts — Black

1440 × 900

Companion Cube — Blue

1920 × 1200

Companion Cube with Hearts — Purple

1920 × 1200

Portal Companion Cube with hearts

1680 × 1050

Robotic Sphere with Blue Light — Dramatic, Night, Digital Art

1600 × 900

Portal characters with hearts

1920 × 1080

Portal 2 Angel Reaper

1680 × 1050

Angel Companion Cube

1920 × 1200

White Cube with Heart Symbols — Black

1440 × 900

Hero Man and companion

1920 × 1080

Hero Man and companion

1920 × 1080

Chell with a Robot

1920 × 1080