Forza Horizon 3 is an open world racing video game developed by Playground Games and published by Microsoft Studios for Xbox One and Microsoft Windows 10. The game features cross-platform play between the two platforms. The game was released on 23 September 2016 for Ultimate Edition players, and 27 September 2016 for standard and Deluxe Edition players. It is the third Forza Horizon and the ninth instalment in the Forzaseries. As with previous Horizon games, Turn 10 Studios assisted Playground Games in the game's development. It is set in a fictional representation of Australia. Additional content has been released in the form of car packs and two world expansions, which also include additional cars.