I'm watching the uproar as the 'next generation' of yet another favorite game has been released to a disappointed crowd, and it has made me think about a few things.
First off, there are really no rules about the next game. Just because you liked 'cool game 2' doesn't obligate the developers to make 'cool game 3' the same game only better. You can count on it (usually) being in the same genre, but there's really no reason to expect the 'same game with modern graphics'. They don't 'owe the faithful fans' anything. If there's any debt it probably goes the other way...the faithful fans of the previous game probably got so much more than their money's worth that even if the next game goes straight to the shelf they still got a good return from the company on their entertainment dollar overall.
Second, expecting game developers to make bad business decisions is pretty silly. No one who has the status in the industry that comes with having made successful games in the past is going to limit themselves to a single platform if they can help it. No one is going to look at the people who bought their last game and say 'we don't want to appeal to anyone but them'. In fact since they will no doubt buy the new game anyway it is more important to appeal to everyone but them.
Third, cool game 2 being the best game in the genre of its time doesn't guarantee anything about cool game 3 except that there will certainly be one. The developers of cool game 2 hit a home run. Good on them. They have experience. But it is entirely possible that someone else will make a better game in the genre in the next generation. The veteran developer has to approach the next generation in the genre with a new product and compete in the market as it is, not just pop out an update.
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So I'll be tempering my criticism of gamesas. The medieval/fantasy RPG genre is very competitive, and I'd say they have two offerings that are solidly in the top five all time. Besides those two, they have probably had the best offering of its time for a significant portion of the time they have been around. Can't really ask for much better than that. Well, you can always ask, but you can't get.