Here is the full list of all 18 Nine Witches: Family Disruption achievements.
Stayed for all the credits
Unleash global warming
Witness a family disruption
Complete Part 9
Revived a one of a kind flower
Met all witches
Complete Part 8
Complete Part 7
Perform a full download
Complete Part 6
Be the first human to walk on the moon
Complete Part 5
Bury a dead man
Complete Part 4
Jump off the chair
Complete Part 3
Complete Part 2
Complete Part 1