I've been playing this game for about 5 days, which seems to be longer than any of the other reviews. I had no problem waiting to see what would happen, as the creator was upfront about it being slow to start, my only issue is it doesn't run in the background, so you have to keep that tab open, or have a seprate window for it open, but many games have this "bug" so I did check for that fairly quickly.
I am currently focusing on mining, and have 28 cards unlocked, and have 7 achievments. one of the tabs is still locked to me. I couldn't figure out how to mine until I looked at the help tab, but I've really enjoyed doing this, although i wish it was just about 30-50% speedier because it's right in that sweet spot between it being an active activity and a passive activity which can be a little frustrating.
While enjoy the game, I feel a lot of the goals are too high and can be overwhelming. 100 dirt for you first upgrade and it only does .5+? that takes well over an hour to do and it feels like your not acomplishing much. 1,000,000 gemstones to unlock automining? that would be fine if there was a smaller goal in there but that just seems overwhelming to unlock such a basic feature.
And what happens when I unlock all the cards? is it game over? I'm not quite sure what my goals are.
I enjoy the game, but I feel it needs an update to make it feel more rewarding.