Here is the full list of all 18 Alice's Patchwork achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
World 5 finished
All Trophies collected
World 4 finished
80 levels with 3 keys
World 6 finished
World 3 finished
40 levels with 3 keys
World 2 finished
1000000 coins collected on levels
500000 coins collected on levels
World 1 finished
20 levels with 3 keys
20 levels completed within the time limit
150 hints used
5 levels in raw without mistakes
100 hints used
100000 coins collected on levels
50 hints used