lvl 1-kill everyone
lvl 2-shoot the guy on the almsot centre on left hand side with the yellow tie
lvl 3-kill everyone
lvl 4-wait till u see 2 guys walk across the bottom of ur screen just after the 
middle the guy will walk out into veiw from behind the second guy
lvl 5-kill everyone
lvl 6-shoot both of the wheels on the right then shoot him, he walks slowly so he 
should be easy to kill
lvl 7-kill everyone
lvl 8-shoot the electric box and everyone will come out, DO NOT SHOOT THE WHITE TIES, 
wait for the guy with the yellow tie to come out, he will start walking 2 the right, 
finish him
lvl 9-this is harder, the virus makes an extra 10% of your bullets miss and switches the 
screen round, theres no upgrades, this is it, survive or die
lvl 10-u have infinite chances at this so dont worry if you miss when the arrows come up 
press this combination: right, up, left, down you must press left very quickly or it will 
not work gratz u beat the game!