The idea of striking terror in the hearts of criminals becomes an idea clearly represented by gameplay in the Arkham series. After all, fear is Batman's best tool.
The key to a good sequel is trying not to erase or even compete with what has come before. A sequel ought to complement its predecessor, not improve upon it.
The Moving Pixels podcast talks about what the open world genre means to the last decade in gaming and what kinds of worlds most compel players to explore them.
