if ur stuck at a really tough lvl. the answer is u should play an easier lvl until ur rage is full, then u replay the hard lvl. again and quickly press the rage button(press V) after that u will have infinite rage.
i found the virus!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 "Pandemic: American Swine"){kind=icon}
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 "Necronator"){kind=icon}
 "Escape the Escape Game"){kind=icon}
 "The Day"){kind=icon}
 "Road of the Dead"){kind=icon}
 "Mr. Schyzo"){kind=icon}
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 "Battalion: Vengeance"){kind=icon}
 "Achievement Unlocked"){kind=icon}
 "Reincarnation: ADDO"){kind=icon}