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Mediocre games can safely be placed in the first category; there, either simply large developers and huge advertising investments and inflated reviews allow them to rake in cash in the early stages and leave a mixed opinion in the end, or it turned out that way from the start for a number of different reasons.
As for examples, I actually expected to hear Witcher, Doom, and Resident (although the first two ran without any problems for me). But are these games worth investing, how many, hundreds of thousands?
Anyway, I've reread my post again and realized where I was slightly wrong: after all, most of the gaming audience buys products specifically to spend a couple of dozen hours on a Walkthrough of some story campaign and put it back on the Steam shelf while waiting for a new masterpiece; that's how it works. And such games, for the most part, possess no replayability, which for me is a key element.