Cube Ending Explained [SPOILER!]

SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!

SPOILERS AHEAD

Cube Plot Summary and Synopsis

In this remake Without remembering how they got there, several strangers awaken in a prison of cubic cells, some of them booby-trapped. The prisoners must use their combined skills if they are to escape.

Source: Wikipedia (CC BY-SA 3.0).