[quote name='ziomatrix']where does this fall in the timeline for the series? i've played 1 and 2 years ago also...lol[/QUOTE]
Dream Drop Distance leads directly into KH3.
You don't HAVE to play Birth By Sleep first, but it helps, for context's sake. If you don't play it, you'll wonder why Leonard Nimoy Xehanort is suddenly the series' main villain.