Lol i have the same problem, the negative price of the click upgrade make me earn money instead of buying the upgrade xD i have some XXXXXXXXXXXXXXXXe+358 currency haha
Can you add "cthulhu" as a pet please ? haha (i know it may be hard so good luck !) the meteor mining is a amazing idea, great job ! and i like very much your devotion for our suggestion ^^
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did you hard reset when it was updated to fix the negatives issue?