I am a great FF fan, and I knew even before starting playing FF XIII, that I would love it, but I never expected that I would get so much love for the game. So far I am on chapter 11 and I am having a ton of fun. Those are the things for me that make FF XIII an amazing game
1) No useless characters: From the beginning to end, you get to play with every characters and I have never felt any one of them useless unlike in others FF (Kimari in FFX, Penelo in FF XII...)
2) Paradigm shift and every roles or classes are important: When I first used the Paradigm shift, I started believed that I would only need the Medic and Commando class, but Ravager, Synergist, Saboteur and Sentinel are as much as important and need to use them depending on the battles. From older FF where people used classes, there were some that didn't even existed for me.
3) Story and challenge. Very good story and the game is really challenging. I am the type of player who will never run from a fight, love grinding and love exploring, but still had difficulties with some bosses and even some regulars beasts.
Some of the complaints I have about the game is: the Leveling weapon and accesory, and making Gil. So far I have only bought items, i havent bought any weapon, any accesory and Gil seems to be really rare for me. I still haven't level up any weapon nor accesories either. They are all at level 1. But I am looking foward to level them up for the very difficults missions.
So the game is really amazing, and if you are an RPG fan and didn't play the game yet because of bad review, you are missing a very good and amazing game