First call
ACH_FIRST_CALL36.1%

Achievements and their recorded unlock rates.
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ACH_FIRST_CALLACH_FIRST_WINACH_FIRST_MATCHACH_FIRST_TSUMOACH_FIRST_RIICHIACH_LAST_GASPACH_FIRST_TOPACH_QUICK_CLAIMACH_MANGANACH_IPPATSUACH_WIRE_TO_WIREACH_HANEMANACH_HAITEIACH_TOBIACH_NAKED_WAITACH_BAIMANACH_TOP_STREAK_3ACH_CHINITSUACH_SEEING_THINGSACH_RANK_2ACH_DAMATENACH_URA_3ACH_SNIPE_RONACH_PURISTACH_YAKUMANACH_WINS_50ACH_GALEACH_DORA_6ACH_RENCHAN_5ACH_COMEBACKACH_PERPETUALACH_RINSHANACH_RANK_3ACH_DOUBLE_RIICHIACH_CLEAN_25ACH_RANK_4ACH_IPPATSU_20ACH_NAGASHIACH_POINTS_1MACH_DONORACH_TOPS_100ACH_RIICHI_200ACH_MATCHES_100ACH_RANK_5ACH_MULTI_RONACH_CHANKANACH_YAKUMAN_3ACH_QUICK_500ACH_WINS_500