A few hours has made ​​its appearance on YouTube a video of Forza Motorsport unofficial 4, whose author claims to have received from Microsoft as a clerk in a game store: the video shows a series of ingame sequences in which we can give a first look at the new graphics engine, in addition to pointing to features already known to be driving mode "casual" by Kinect.

Among the innovations we see the introduction of a system of active aerodynamics for cars equipped with such technology and the simulation of flames from the exhausts, the speaker also mentions 16 cars on the track, a club, a new career mode, five new paths that include TGTT and Hockenheimring.

The movie is not official, and this is the first of April, may not even be real would require a great effort to create a movie like that. We just have to wait for confirmation or denial from Microsoft and Turn 10: Meanwhile, I will propose below.

Update: The video has been removed at the request of Microsoft, which already has confirmed to Kotaku that it was a real movie even though it might not be representative of 100% of the final game. We suggest a new link to the video below, until it is removed again.

Forza Motorsport 4 - Leaked gameplay grailer