Gran Turismo SportÂ is aÂ racing video gameÂ developed byÂ Polyphony DigitalÂ and published byÂ Sony Interactive EntertainmentÂ forÂ PlayStation 4. It was announced at the 2015Â Paris Games WeekÂ and is the thirteenth game overall in theÂ Gran TurismoÂ video game series and the first game in the series to be released forÂ PlayStation 4. It was released worldwide in October 2017, receiving generally favorable reviews from critics. Similar to its predecessors,Â Gran Turismo SportÂ is aÂ racing gameÂ and includes two game modes: "Sports Mode" and "Arcade Mode". Online racing is also featured in the game. The game has been described as different from the "Prologue" titles seen in the past in the series and features more content. UnlikeÂ Gran Turismo 5Â andÂ Gran Turismo 6, the game does not feature dynamic weather system and day-night cycle. However, players still have the option to modify the race's time of day before entering the race.Â It includes 177 cars and 27 configurations of 19 locations to race on. For the first time in the series, the game featuresÂ PorscheÂ vehicles included in the game afterÂ Electronic Arts' licensing rights to theÂ PorscheÂ brand had expired (previousÂ Gran TurismoÂ games only includedÂ RUFÂ as a substitute).