After a certain point large numbers aren't fun because they're hard to visualize - I'd add a hierarchy of coins - copper, silver, gold, platinum, etc. each worth 1,000,000 times more than the last. And probably put a cap on everything. Oh, yeah, and have an end. Like, you finally manage to mine your aunt's fruitcake, which by design can only be mined by clicking a special fork, and takes 10 minutes. ;)
The only thing I don't like about this game is that the kill area does not match up with the blade, so it can actually pass right through glooples without doing anything. I don't mind having the killzone last a little extra after the swing, but there should definitely be visual agreement where the blade actually passes.
For the last level - I think this is really something that should be fixed - in order to get three stars you have to cut a hair's breadth above all the menu buttons at the top.
Mouse over the Survival Guide: "Get all kinds of insight about all kind of things..." guess you guys don't care too much about quality if I find a grammar error in THE FIRST EFFING THING I READ. Seriously - you spend how many hours developing these games, and you can't even be bothered to check for and fix stupid mistakes like this?
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 "Diggy"){kind=icon}
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jeez, just add them back in :p