The game also features the return of dynamic time and weather effects, which previously appeared in Gran Turismo 5 and Gran Turismo 6.[7] Despite the game including a single player campaign, like with Gran Turismo Sport, the game requires a constant internet connection in order for players to be able to save their progress. The series creator Kazunori Yamauchi explains that this decision was made to prevent hacking and cheating. Arcade mode, however, is fully playable offline.[8]