Welcome to Gran Turismo Wiki, the up-and-coming wiki of the real driving simulator that anyone can edit! 214 articles since May 2008 Contents Games - A list of all GT games. Gran Turismo 5 Prologue - The latest Gran Turismo game, fresh from Polyphony Digital. Cars - A list of vehicles in the Gran Turismo series. Tracks - A complete guide for tracks in the GT series.. Countries - An index of the different countries which are found in Gran Turismo. Companies - A list of manufacturers in Gran Turismo. Polyphony Digital - The creators of it all! Kazunori Yamauchi - The brave and noble leader behind Polyphony Digital! Gran Turismo Wiki Blog