To shoot, press the space button. To turn, press the left and right arrow keys. To go forward or backwards, press the up or down arrow keys. When you die, just press "yes" then the green flag located at the top right corner of the screen. When it's time for a boss fight, just press "Bring it on!" and after wards, press the flag. Your battling the boss now! Once you defeat him, press the green flag to fight more zombies.
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