Here is the full list of all 50 Lost Kittens: Maze Garden achievements.
Win Level 1
Win Level 2
Win Level 3
Win Level 4
Win Level 5
Win Level 6
Win Level 7
Win Level 8
Win Level 9
Win Level 10
Win Level 11
Win Level 12
Win Level 13
Win Level 14
Win Level 15
Win Level 16
Win Level 17
Win Level 18
Win Level 19
Win Level 20
Win Level 21
Win Level 23
Win Level 24
Win Level 25
Win Level 26
Win Level 27
Win Level 28
Win Level 29
Win level 30
Win Level 31
Win Level 32
Win Level 33
Win Level 34
Win Level 35
Win Level 37
Win Level 38
Win Level 39
Win Level 40
Win Level 41
Win Level 42
Win Level 43
Win Level 44
Win Level 45
Win Level 46
Win Level 47
Win Level 48
Win level 49
Win Level 50