Here is the full list of all 45 Nice Way achievements.
Level 23 completed
Level 24 completed
Level 25 completed
Level 26 completed
Level 27 completed
Level 28 completed
Level 29 completed
Level 30 completed
Level 31 completed
Level 32 completed
Level 33 completed
Level 34 completed
Level 35 completed
Level 36 completed
Level 37 completed
Level 38 completed
Level 39 completed
Level 40 completed
Level 41 completed
Level 42 completed
Level 43 completed
Level 44 completed
Level 45 completed
Level 1 completed
Level 2 completed
Level 3 completed
Level 4 completed
Level 5 completed
Level 6 completed
Level 7 completed
Level 8 completed
Level 9 completed
Level 10 completed
Level 11 completed
Level 12 completed
Level 13 completed
Level 14 completed
Level 15 completed
Level 16 completed
Level 17 completed
Level 18 completed
Level 19 completed
Level 20 completed
Level 21 completed
Level 22 completed