Cloud

Cloud is an acclaimed action flight game that allows players to realize their life long dreams of imaginative flight, manipulating clouds and creating weather. "A childhood dream simulator" is how many of its fans describe it.
It is about a kid kept in the hospital daydreaming himself fly in the sky, making shapes out of clouds and eventually use rain to clean the world. The game was designed to evoke everyone’s fantasy about clouds and flight, and their best wishes towards the nature.
The game is completed as a USC game innovation lab research project. It had over 500,000 downloads over the internet. And triggered a heated debate of whether video game is art.