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On the topic: more of a masterpiece than an unfinished product.
There are many advantages: good tactics, decent balance, good graphics, a worthy continuation of the series (in my opinion, it's a continuation, and not a game that has nothing to do with the previous parts). I read the forum and found many nitpicks about individual elements of the game (creature models, "imbalance," types of resources, and the interface). I think you need to be a little more easygoing and not notice these things against the backdrop of the game's overall masterpiece quality. In my opinion, it's a masterpiece, and nothing else... The only and most significant drawback of the game called "Heroes of Might and Magic 5" is that it is not "Heroes of Might and Magic 3," so many people who really love the third part (by the way, I am one of those "many") are now saying that "back in the day, in the third part, it was like this, but here everything is not as it should be." This is somewhat similar to the reasoning of elderly people about how life was better in the past than it is now. Sometimes this is, of course, true, but for the most part, these assumptions are purely personal and lack objectivity...
Oh, it seems I got carried away. In general, for those who are too lazy to read this lyrical digression, I will say: I liked the fifth part much more than, in my opinion, the failed fourth part (again, this is a personal opinion, isn't it?), at least because the continuation of the old and good "third part" did not become a completely "popular amusement." Let me explain: remember the Worms series. Now compare Worms 2 (any part in 2D) and Worms 3D (respectively, any part in 3D). In my opinion, the two-dimensional Worms should have long ago displaced all sorts of Counter-Strikes from the top of the most popular esports games. Many modern games would envy the tactics of this game. And the three-dimensional clay Snusmumriks are just an unfortunate degenerate of the old good worms. A complete lack of tactics. It's a pity. So, the fifth Heroes, although "dressed" in 3D, did not lose their excellent tactics and even acquired new, previously unknown combinations and new possibilities. In my opinion, this is what should have been the main goal of the game developers (that is, Nival). And they, judging by the demo, achieved this goal. Well, I finally finished my post-epic. And I could have expressed myself much more briefly... ^_^