I spent a few hours blasting through wave after wave of Brains, Spheroids, Quarks, and Hulks in my unending battle to Save the Last Human Family! But eventually my fingers started to cramp up and I began to lose my rhythm. When that happened at this level, things deteriorated quickly. I burned through all of my extra lives in a matter of minutes, and my two least-favorite words appeared on the screen: GAME OVER .