Kill zombies grad one
ACH_KILL_ZOMBIES_GRAD_ONE87.1%
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Achievements and their recorded unlock rates.
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ACH_KILL_ZOMBIES_GRAD_ONEACH_FELL_TREES_GRAD_ONEACH_FIRST_DIEACH_BREAK_ROCKS_GRAD_ONEACH_SURVIVAL_DAYS_GRAD_ONEACH_KILL_ZOMBIES_GRAD_TWOACH_SURVIVAL_DAYS_GRAD_TWOACH_BREAK_ROCKS_GRAD_TWOACH_SURVIVAL_DAYS_GRAD_THREEACH_FELL_TREES_GRAD_TWOACH_SURVIVAL_DAYS_GRAD_FOURACH_KILL_ZOMBIES_GRAD_THREEACH_BREAK_ROCKS_GRAD_THREEACH_FELL_TREES_GRAD_THREE