Maybe rather than being thick or obtuse, you're just not making a point with something you mentioned for some reason? It seemed apparent why you said they were all 2D, and I paraphrased to confirm, flesh it out and examine the argument, but rather than try to justify or explain, you just stoop to insults. Classy.
I'm actually a big fan of VVVVVV and it's nothing like Shift 1 or 2 except that there are spikes in some places. Really it seems to be more like N+ or Super Meat Boy to me. I mean, VVVVVV is a "Metroidvania" open world where you flip gravity and fall upward, sometimes for screens at a time, and Shift is a single-screen stage-based escape puzzle where you reverse what is solid and what is void, and only fall if you jump off of something. That's really more Outland/Ikaruga to me. They do both kill you freely and don't count lives however...
Yeah, we know what started this chain. I'm saying that the only way it really makes sense to lump all those games together as being too similar would be if just the suggestion of a puzzle platformer makes you go "eugh, another one of those!" without even considering how the game plays. If that's the case, there's not much to be done about it but I'm with FDS on this that the diversity of mechanics in those games makes the genre they're grouped under less of an indicator of sameness.
And sure, in Serious Sam or Unfinished Swan, you start in one place and wander through assorted areas to get to the end so that could be termed "exploration." Actually, I'm not that big on SS, but I know that in US, your path is entirely linear to boot, so maybe it's just as suspect as an exploratory game - though with that mechanic, you could also be said to explore even an individual room...
Now to the quote issue... look - I'm not feigning anything. You are literally the only person on any forum ever since around 1995 who has accused me of altering their quotes when I reply and as far as I am concerned I have still never done it to you, or to anyone. It's a serious charge to accuse someone of, but this is another thing where instead of explaining, you just stand by it. I explained then and now how the other time was not altering your quote; it was replying to it. (The stuff in quotation marks was the quote.) In this instance... what? I put what you said in between quote tags. If you're talking about the randomly resized words, I don't know what that is. I didn't alter anything, but yesterday as well as today, when I quote that post of yours, there are size tags peppered all through it and I figured if I took those out you'd accuse me of editing. If that bothers you, maybe look at code changes made to the board recently? I'm using Opera 11.61 and thus far this issue hasn't come up. So what's the deal? Is it resized words? Not having a timestamp and post number on every quote block? (Because that is extremely laborious, but I made a decent effort in the last post here.) Is it that I don't always quote the entire paragraph or entire post? I'm quoting you with the editor tool and the clipboard exactly as I've done for everyone else, and no one else has thought it to be nefarious.
Below, I'll quote your entire post, untouched. Try it yourself and see if it comes out any differently... Maybe you had some code left in the editor tool after editing your own post?
Woops, didn't mean to, the post did start with "FDS:".
So I guess first:
@Fuchi: There's some pretty diverse FPS titles. And one third of AAA games are still not FPS titles (And nor do AAA studios have some sort of promise on saving us from repetitive tiles either). Obviously what constitutes the puzzle part of a puzzle platformers is going to be somewhat different from one game to another. Be it swapping gravity, going fast, or just hitting the right bits in the right order. You've also got the hugely common element of them all being 2D (except the notable 4D example in the game that's yet to exist yet).
@FDS: What back pedalling? You said to look at other indie bundles, and it turns out, to my own surprise since I did just throw it out as a rough guestimate, that other bundles fit the "one third rule" too. That's the complete opposite of backpedalling, that's shooting forward in fifth gear. Also you may have missed thequotes from the games own pages but they seem to think they're puzzle-platformers too and I've a feeling the developers of the games might know more than you.
And no I really don't have anything against the genre, pretty much my only annoyance being just how many there are. If there was 1/3 of HIB titles being tower defense I'd likely be making this point too. The point isn't against the genre, it's against the saturation of said genre within in a sector of the...wait I've said this bit before. (And dammit I can't make a quip on repeating myself due to responding to someone clearly not reading what I'm saying due to the fuchi fumble)