I dont really see how a hammer can decapitate someone.... unless they hit the enemy in the stomach and all the guys guts act like toothpaste in a tube and blow the guys head off... :D
once you beat it, just do the last level again and you get the Jack Of All Trades gene. Which increases all your stats by 2. just do this a few times and your virus will be at 100% in all areas. too easy
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