Gran Turismo 5 Prologue (グランツーリスモ5 プロローグ, Guran Tsūrisumo 5 Purorōgu) is a 2007 racing simulation video game developed by Polyphony Digital and published by Sony Computer Entertainment for the PlayStation 3. It is the eighth overall installment in the Gran Turismo series. Gran Turismo 5 Prologue is a precursor to Gran Turismo 5, in celebration of the series' tenth anniversary.[5] The game has sold 5.09 million copies worldwide, making it the second highest-selling PlayStation 3 exclusive title after its successor, Gran Turismo 5.[6]