Its name is Gran Turismo 5 Prologue (demo), and it will be available to download for free on October 20th. The move is an effort to keep thumbs from atrophying after the long hiatus between GT4 ...
For the US release of the Gran Turismo 5 Prologue, Polyphony has thrown in features the Japanese version didn't get. With things like cheap gas and the value of a dollar slowly being taken from us ...