Achievement triplekill
ACHIEVEMENT_TRIPLEKILL30.4%

Achievements and their recorded unlock rates.
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ACHIEVEMENT_TRIPLEKILLACHIEVEMENT_AIRKILLACHIEVEMENT_DONOTTOUCHMEACHIEVEMENT_FIRSTSTEPSACHIEVEMENT_MASSACREACHIEVEMENT_FIREBOOSTERACHIEVEMENT_SERIALKILLERACHIEVEMENT_THREEPEATACHIEVEMENT_WINNER