It took me longer than 10 hours to complete(didn't even bother with treasures yet, 23/100.) and it was incredible...I don't remember a single chapter that I can call less-enjoyable than others. You can't call this game "short" because it simply isn't, every single location/city is completely unique and super fun.
No backtracking, no stupid time wasting crap, nothing. Plus, the hint system. With all incredibly frequent checkpoints and everything it should even be considered "long" compared to other games out there.
A campaign mode like this is much better than 20 hour long, repetitive and uninteresting crap.
Also, there are crapton of unlockables, great replay value(even though its fairly linear) and a terrific multiplayer mode.
GOTY...or heck, game of the generation and one of the best action games ever made.
XI Wiki


