Still having problems with achievements. I'm missing Kill 7-10, 14, and 15; Iron 14 and 15 (and possibly 20); Gold 14-20; Diamond 13 and 16-20; and Tungsten 12-20. It's possible that I just haven't actually achieved some of the higher ones (not sure because it doesn't say how to achieve them until after you've gotten them), but I'm pretty sure if I have a higher achievement, I should have all the ones with the same name and a lower number, too . . . right?
I was away for quite a while, and it gave me the most recent achievements, but not the ones between when I was when I left and where I am now (if that makes any sense). For example, I have Tungsten VI and Tungsten X, but not VII, VIII, or IX. I'm especially unhappy because some of these gaps mean I'm missing out on lots of devil coins, and I need them.
I've had a problem multiple times where I've clicked on the button mentioning the ore I want to transmute TO instead of FROM, as they're labeled. I'd recommend either changing the text to include the names of both elements (the one you're transmuting from, AND the one you're transmuting to), or just putting the one you're transmuting to. I don't know about everyone else, but I'm not usually clicking transmute because I'm trying to get rid of one ore; I'm doing it because I want more of the ore I'm transmuting to.
Just a thought. Fun game, btw.
When I mouse over the Uranium mine, it says I can buy it for 25,000 diamonds and 800 Adamantite. But everywhere else I've looked, it calls the fourth metal Adamantine. You might want to fix that. Haven't seen any other inconsistencies, but it doesn't hurt to double-check the rest, too.
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I'm sorry for problems with achievements. Tungsten X achievement was bug. Number of devil coins can be found in achievements window.