I absolutely loved the first NUNS, and this one jus gets even better! the story mode is very interactive, bit long buh its not as bad as the previous games.
Best Part Of The Game is that all characters use signature moves! its AWESOME!
Multilayer is just spectacular! You are given ranks, and can customise your Ninja card which is quite cool!
If ur not into doing the whole long story mode but want all the characters, simply go onto Free Battle mode, 1 vs 2 player. Use kakashi, to defeat the ur opponent (player 2, free controller, u dnt need anyone playing against you) with mangekyou sharingan over n over, till u get a perfect kill. This way you will get maximum points, which u need to unlock the characters so keep doing it till u do, It took me an hour to unlock all the characters.