This is quite the enchanting title. It'd be difficult to describe too much about what I like without spoilers so I'll be very nonspecific: -Soundtrack -Map size -Challange -Adventure -Art style -Animation -Unique characters -Ambiance -Emotion -Challenge -Unique enemies That said, I can also see how I may only enjoy it this much because I'm quite adept at this type of game. It may be offputting to a younger or less experienced player. Generally speaking, the Metroid (excluding 1 and 2) and Castlevania (SOTN and after) series are a lot easier in terms of combat and navigation. This game has training wheels, and does train you as the difficulty ramps up steadily. So, I wouldn't refer to the difficulty as a 'con' more than a 'pro'. But if I had to think of a reason why people might not like it, it would be for how challenging it is.