YESSSSSSSSSSSSSSSSS !!!!! I have finally done this achievement. Stuff you need 2 do to get it 2 :
1)Get the Tank and the Golden Gun
2)Get about 40 nukes
3)Use your bullets wisely (shoot him when hi got slower)
4)Have a lot of FUN
I found a way of geting money by just loosing 1 point of your score (or not), just take the reporter and the city chief somewear and in the end the will give you 350$ :)))))))))))))))