According to a Forza Horizon a real retail title, but Forza Motorsport 5 will be coming out in 2013.on the official Frence Forza Motorsport site, Microsoft France has announced that not only is
According to the publisher, Forza Motorsport and Forza Horizon are two different games, so using "Forza" as shorthand for "Forza Motorsport" will no longer be accurate.
In addition, Forza Motorsport "is and always will be" developed by Turn 10, and the developer will not be working on a two year development cycle for the main game. Forza Motorsport 5 will be released in 2013.
As for Horizon, the game is being developed by PlayGround, which is comprised of racing sim veteran developers who have worked for such companies as TOCA, GRID and Codemasters. Microsoft France also stressed Forza Horizon will be a retail game and not an Xbox Live Arcade title.
The trailer for Horizon was leaked.