Batman: Arkham Knight - Every Screenshot You Need To See
16. Environmental Takedowns Allow New Methods Of Approach
One of the coolest things in Arkham Asylum was the takedown you could do straight through a glass ceiling onto an unaware guard below.
It was especially awesome because it wasn't something the game taught you either, you simply saw the prompt, thought "No way, can I do thi... HOLY [insert expletive]" and the rest was history.
More 'hidden' moves like these are what will make Arkham Knight imminently replayable.