I don't know how much if word of mouth and how much is hype. CoD4 was a real case of word of mouth, since it did better in its second month, but WaW came in with CoD4's pedigree. Halo 3 and GTA4 both had ridiculously high launches, with comparatively weaker follow-up months (GTA4 did still somehow manage to sell over 10 million). WaW is still holding up moderately well, though.
If it's pure hype, then we'll see a huge launch and then tapers off quickly. In Halo 3, WaW and GTA4 it didn't just drop off the charts. It managed to reach (what I like to believe) saturation point. Not everybody is going to like gangster or World War 2 theme games.
What we do know is what is PS3 is capable of selling as far as FPS. CoD series is a good indicator. So we'll see if KZ2 can manage coming close to it.
The demo wasn't really representative of the final product, which is really worse than no demo at all. Not only that, but they only updated the controls after the game's launch, in case that was a serious turn-off to some.
I was more impressed with the actual game than the demo (KZ2). I was actually underwhelmed by the demo, but the game was very impressive.
When they patch a game so early on and it's not a technical problem (crashes/bug/left debug mode one), it shows that the developer didn't have enough play testing.
This is where I think a shorter demo is beneficial. Because it hides all that away. And they need to patch it so it'll be fun to play early on, so else the word of mouth will kill it. Remember Lair?
When Bungie did Halo 3, they did extensive testing on game length, map size, game controls and etc. I have a feeling that KZ2 didn't go through that extensive testing and evaluation. Now, don't get me wrong. KZ2 is an amazing piece of technology showcase. Where it fails is mp, fun factor...maybe KZ2 is too hardcore, because I just want to pick up a game and play. I don't want to jump through so many hoops. If GG release a causal profile (gameplay), I'm sure sales would definitely pick up...(word of mouth).
Did I just contradicted myself? By saying that KZ2 is too hardcore? If it is a hardcore game, then it could reach saturation before eaching CoD in term of sales. But enough of KZ2.
I don't know about everyone else here, but I'm really impressed with PS3 numbers in NA, considering the state of our economy. I would imagine it has to dip a little YoY. I can understand why 360 did so well...it's the price cut, duh. I don't even bother trying to understand what's going on with the Wii.