There seems to be an occasional glitch that happens when you re-load the game that makes you unable to move the upgrades screen, and skips the power-up meters on the cannon.
Your view of human resistance to such a simple virus as well as the fact that you believe peopl freak out more about texas getting one infected visitor AfTER EVERYONE GETS VACCINATED after the fact that pennsylvania is completely devoid of life bugs the crap out of me.
I really hope you aren't a med or government student.
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