Infamous 2 was a great game with new style and a great morality system. It's a very fun superhero driven game.
Gameplay overall did not change dramatically. I sensed overall tweaks and changes compared to its predecessor. It's fluid and fastpaced. The shooting was slightly improved. The melee system is much more fun and fluid with awesome finishers and combos. And the new powers you get are really awesome and fun to use.
The Graphics were improved showing better resolution, textures, and colors. There is of course the occasional laggy rendering in some areas but overall it was great for this vast game.
Overall the game was fun and had a good story. The new powers gained were exciting to use. Although there are a few bugs and glitches, the game was great its size and interactivity.