To get full upgrades quicker (for the hard badge) don't upgrade everything one at a time. Buy the highest level, of ramp height for example, you can afford and save money for other stuff.
I would also ask to slow it down a little bit. Hardcore mode is too hard at this pace. I cant get past the second area... I imagine im doing something wrong but still too fast to have a chance.
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 "Cursed Dungeon"){kind=icon}
 "Infectonator : World Dominator"){kind=icon}