Posted September 28, 2012
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When you use the word "clone", there's a certain sense of "meh, why should I check it out when I've already got game x?"
When you use the words "similar to", there's a certain sense of "oh, I liked game x, I should try it."
And connotation makes all the difference.
1) Most games are clones of another game to a larger or lesser extent. Judging it on that basis is simply a misconception. For example, arguably DN3D is a "Doom clone" but it doesn't mean that the two games are interchangable and that the other game doesn't have anything new to offer.
2) Reiterating on the first point, lots of clones offer evolution and many of them are way better than the original.
For example, many people on this forum tend to consider TQ2 a "D2 clone" and they also tend to hold it in higher regard than D2.