Duscae is a toponym, there's an area in the game world.
Demo length is about 1 hour, but players might play for about 3 hours.
There's gonna be a bit of overworld and a dungeon.
Car's in! Chocobos might also be.
No boss battles, because they're a big deal in the game.
Trying to make distribution date to be the same as Type 0 HD release date.
Ignis was driving in the trailer but you can do it yourself, or you can leave it on auto, so Noctis' friends will drive it for you.
See that Adamantoise? You can fight him.
But it will take a long while.