As I've said the game is pretty good. Nothing I was blown away by. It's not bad by any means but more lacking in a few areas.
Gameplay was fun, morphing around feeling like the God of Manhattan. I think they did get the predator feeling thing going on a bit. A previous reviewer got it right on by saying it has a very spider man feel, the only difference is TONS of blood with a really dark feel through-out. Its also worth mentioning that some of the achievements were a pain to do.
It's good enough to make me look forward to Prototype 2 hoping that they've addressed a few things, so for 12 quid I'd say it was a bargain buy.