Barrett and chainsaw and you're sorted - 500 headshots...not that hard did it with days to spare...just aim
plus there was a bug because i died first time i tried but it still gave me the survivor badge - although i did complete is afterwards properly
sort out that collision its not smooth, you can't hit it properly it smudges and flips behind you if you try and hit it hard....
also its too easy the computer tactics mean i fyou take the ball to the side and angle one in you'll score every time...
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