Companion Cube from the Portal video game series
Buy Merchandise Portal 2 Original Companion Cube Messenger Bag
The psychology behind the Companion Cube's fame
Weighted Companion Cube - Portal 2 - Blasters4Masters
I know people who have played them and loved them, but I’ve never actually played them myself. You can order the cube with a ring holder, with a foam
Portal Companion Cube Gift & Ring Box
Portal 2 Series IV (4) - Activated Companion Cube Rusted Valve Blind Box Turret
Companion Cube by NES--still-the-best on DeviantArt
Game Theory: Portal's Companion Cube has a Dark Secret
Portal Weighted Storage & Companion Cube by 3D Gloop!, Download free STL model
Buy Portal Video Game Portal Companion Cube Vintage Metal Sign Tin Sign Poster Outdoor Garden Home Bar Kitchen Wall Decor Sign 8X12Inch: Everything
Portal Video Game Portal Companion Cube Vintage Metal Sign Tin Sign Poster Outdoor Garden Home Bar Kitchen Wall Decor Sign 8X12Inch
File:Companion Cube.jpg - Wikimedia Commons