Bagogames: It's not how you start but how you finish that truly matters. Evidenced by the fact that the Mass Effect 3 ending, in many people's opinion, could have potentially undermined the overall standard of the trilogy. But hey, at least it finished unlike some franchises...
Either way I like the series, but that does not stop me from saying that while KZ2 is one of the best FPS I have ever played, KZ3 is really mediocre.
Resistance, even though it has a better story, is a series that would've been a perfect 3-game saga (with one psp game). But Insomniac screwed up the third game and made it about rednecks in the USA. The third game should've been Jame Grayson uncovering the truth about the Chimera in Russia, as hinted in the after-credits scene of Resistance Retribution.
Same with Halo. Should've stayed a trilogy. Maybe Reach added for backstory. ODST and 4,5,6 need to disappear somehow.
As for the story, it was nothing special, but nor was it horrible. It was really just an excuse to engage in amazing battles with an amazing enemy on an amazing planet.
The point is that in order to really mean something there has to be a beginning and an end. In terms of Killzone that means peace; no more war, no more talking and no more Rico.
If they were to just fight constantly for another five games the validity of the franchise will be for naught, because no matter how hard your characters fought the good fight there would be no end in sight. See my point?
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We need a TRUE sequel to Killzone 2(Multiplayer-wise). I really don't care about the SP all that much, but there is not way in hell should KZ3 be the last title with that horrible multiplayer.
I have no problem with the next Killzone game being the last as long as the MP is as good or better than KZ2's MP.
The only title I see doing this well is God of War. Because they have their 'end' but there is still more fun to be had with the 'beginning' of the franchise. Where as you have Halo, which 'ended' with 3 and is now on 4. Where will that end? When will the Chief have his end and when will the war truly end?
[ It's how we lured you in too... ]
Say what you want about the campaign, but you can't knock the voice work.
And with the likes of Sean Pertwee (Radec), Brian Cox (Visari), Ray Winstone (Orlock- tidbit, he shouts very loudly at West Ham games, Winstone, not Orlock, he's fictional) and Malcolm McDowell lending their talents it's no surprise the Helghast are far more charismatic than the ISA.
Dress sense is better as well.
I will say that I had huge issues with the audio being out of sync during cutscenes in KZ3 which soured the game somewhat as it's a pet peeve of mine. Don't know if anyone else had that issue.
Killzone 2 was a great game, but there was practically no story whatsoever. KZ3 had an ever-changing story that worked very well and actually made me like the ISA.