THE GOOD:The fact that VJ is both a 2d and a 3d at the same time makes it really original and addictive. Its really action packed cuz there are lots of different things to do and lots of enemies that you can fight. There are also different 'modes', where you can make time speed up or slow it down, providing really cool matrix-style gameplay. You can also unlock a couple other characters as well.
THE BAD:
Sometimes you can get sick of the way he moves, because he often does really go a bit slow. If you aren't really a good puzzle solver, then you might have a bit of trouble on it. Thats about it for bad things.
SUMMARY:
Overall, Viewtiful Joe is really an awesome game. If you dont have it by now, then you really need to go out and get it, since its a really fun and addicting action/adventure game. Its not that short, not that long when it comes to the story, but it will certainly last a while, since some bosses can be a little harder than others, requiring extra time on them. The puzzles...