From the Game's Introduction:
Lucidity is a game about dreaming. In the world of Lucidity, for reasons unknown, what people dreamed started to become real. But, for the most part, people didn't realize that it was happening. The characters are lucid dreamers in a world made out of dreams. Can they save the world from this menace? Or do they even want to?
This game is available as a free download from 1km1kt.