Weighted Companion Cube



The Weighted Companion Cube (often referred to as the Companion Cube) is a recurring object in the Portal universe. It appears almost identical to the Weighted Storage Cube but with a pink heart replacing the Aperture Science logo.

In Portal, the Companion Cube was given to Chell in order to aid her in completing Test Chamber 17.

The Companion Cube makes a prominent appearance in the Portal 2: Lab Rat comic, in which it speaks with protagonist Doug Rattmann. This appears to reference Portal, in which GLaDOS states that the Companion Cube cannot speak and, if it does, its advice should be [[Media:GLaDOS_13_part1_middle-2b-2.wav|disregarded]].

Many people wondered where the origin of the cube came from. If you listed when GLaDOS destroys companion cubes, the have a muffled cry for help. The most believed reason is that former test subjects are in them. If they would go through a grid, the body would remain.

In Portal 2,

Trivia

 * Players who pre-purchased Portal 2 through Steam received the Companion Cube Pin item, a pin item depicting the Companion Cube within a portal, for Team Fortress 2. Players who played all games in the Potato Sack Pack were awarded the Resurrection Associate Pin, which shares the same model.
 * Additionally, one of the possible names for the AI bots in Offline Practice or enabled by a server is Companion Cube.