James Cameron's Avatar: The Game is an upcoming video game by Ubisoft. The game is an adaptation of James Cameron's film Avatar. Less is known about the game. I haven't met even what genre it would be. On the other hand Ubisoft announced that they are using the same 3D technology as the film. Some of the characters in the game would be voiced by the respective actors from the film. The game will be released for PlayStation 3, Xbox 360, Wii, PC(Windows) and PlayStation Portable.
The film: James Cameron's Avatar is an upcoming 3D fiction film.It's going to be released on 18 December this year.
Further reading:
http://avatargame.us.ubi.com/Avatar, the film