Kill thousand zombies
ACH_KILL_THOUSAND_ZOMBIES25.6%
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Achievements and their recorded unlock rates.
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ACH_KILL_THOUSAND_ZOMBIESACH_HUNDRED_KILLS_ONE_GAMEACH_KILL_ALL_RESCUEESACH_KILL_TEN_THOUSANDACH_COMPLETE_GAME_NORMALACH_FIVE_STARS_ALL_LEVELSACH_SAVE_SCOOPACH_COMPLETE_HARD_LEVEL_RESCUE_ALLACH_KILL_THOUSAND_GOATSACH_FIND_ALL_SECRETSACH_KILL_THOUSAND_CHICKENSACH_HARD_LEVEL_NO_KILLS