Gran Turismo 4: Prologue

Gran Turismo 4: Prologue is a racing game developed by Polyphony Digital and released in Japan, Southeast Asia and Europe. The game was never released in North America, for reasons unknown.
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Overview

Released in Japan on December 4th 2003, and Europe on May 24th 2004, Gran Turismo 4: Prologue was a small taste of the upcoming Gran Turismo 4, and contained a Driving School mode as well as Free Run and Time Attack for a small number of circuits. It went on to sell 1.4 million copies.