After the trailer released today, Microsoft and Dakota Team have announced that the beta of Project Spark has just begun du Windows 8.1, and will allow you to start using the ambitious "game editor" with the ability to create worlds that you can then carry on Xbox One and, with a few limitations due to less available memory, the Xbox 360 game.

If you were registered on the beta site , tonight should start from the emails with invitations: If you did you are still in time to register. We will update you when we have news on the launch of beta for Xbox versions of the game.