EAchievementRankId

enum EAchievementRankId

Элементы перечислений
RANK_SURVIVOR	must be TARGET_SURVIVOR
RANK_INFECTED	must be TARGET_INFECTED
RANK_INFECTED_SOLDIER	must be TARGET_INFECTED

См. определение в файле AchievementsXbox.c строка 16

{
    RANK_SURVIVOR,             
    RANK_INFECTED,             
    RANK_INFECTED_SOLDIER,     
};