Here is the full list of all 2160 Christmas party achievements.
New
NEW_ACHIEVEMENT_DESC_95_31
NEW_ACHIEVEMENT_DESC_88_21
NEW_ACHIEVEMENT_DESC_88_20
NEW_ACHIEVEMENT_DESC_88_12
NEW_ACHIEVEMENT_DESC_85_9
NEW_ACHIEVEMENT_DESC_84_26
NEW_ACHIEVEMENT_DESC_83_14
NEW_ACHIEVEMENT_DESC_83_10
NEW_ACHIEVEMENT_DESC_83_6
NEW_ACHIEVEMENT_DESC_82_19
NEW_ACHIEVEMENT_DESC_82_17
NEW_ACHIEVEMENT_DESC_81_29
NEW_ACHIEVEMENT_DESC_81_26
NEW_ACHIEVEMENT_DESC_80_27
NEW_ACHIEVEMENT_DESC_80_25
NEW_ACHIEVEMENT_DESC_80_18
NEW_ACHIEVEMENT_DESC_80_16
NEW_ACHIEVEMENT_DESC_80_15
NEW_ACHIEVEMENT_DESC_80_14
NEW_ACHIEVEMENT_DESC_80_13
NEW_ACHIEVEMENT_DESC_80_12
NEW_ACHIEVEMENT_DESC_80_10
NEW_ACHIEVEMENT_DESC_80_9
NEW_ACHIEVEMENT_DESC_80_8
NEW_ACHIEVEMENT_DESC_80_7
NEW_ACHIEVEMENT_DESC_80_6
NEW_ACHIEVEMENT_DESC_80_5
NEW_ACHIEVEMENT_DESC_80_4
NEW_ACHIEVEMENT_DESC_80_3
NEW_ACHIEVEMENT_DESC_80_2
NEW_ACHIEVEMENT_DESC_80_1
NEW_ACHIEVEMENT_DESC_80_0
NEW_ACHIEVEMENT_DESC_79_31
NEW_ACHIEVEMENT_DESC_79_30
NEW_ACHIEVEMENT_DESC_79_29
NEW_ACHIEVEMENT_DESC_79_28
NEW_ACHIEVEMENT_DESC_79_27
NEW_ACHIEVEMENT_DESC_79_26
NEW_ACHIEVEMENT_DESC_79_25
NEW_ACHIEVEMENT_DESC_79_24
NEW_ACHIEVEMENT_DESC_79_23
NEW_ACHIEVEMENT_DESC_79_22
NEW_ACHIEVEMENT_DESC_79_21
NEW_ACHIEVEMENT_DESC_79_20
NEW_ACHIEVEMENT_DESC_74_10
NEW_ACHIEVEMENT_DESC_74_9
NEW_ACHIEVEMENT_DESC_74_7
NEW_ACHIEVEMENT_DESC_74_5
NEW_ACHIEVEMENT_DESC_74_3
NEW_ACHIEVEMENT_DESC_74_2
NEW_ACHIEVEMENT_DESC_74_1
NEW_ACHIEVEMENT_DESC_73_19
NEW_ACHIEVEMENT_DESC_73_11
NEW_ACHIEVEMENT_DESC_73_1
NEW_ACHIEVEMENT_DESC_72_31
NEW_ACHIEVEMENT_DESC_72_26