At TGS 2014 Square Enix showed off a Trailer for Final Fantasy Type-0 HD and at the end of it, it shows that the full game comes with Final Fantasy XV: Episode Duscae.
Final Fantasy Type-0 HD is set to release in March, 2015 on Xbox One and PS4.
Along with the game you will also get a download code what will let you play the Final Fantasy XV: Episode Duscae demo. The demo itself however does not have a release date