Here is the full list of all 24 My Life Changed - there are Jigsaw Puzzle achievements.
Puzzle 03 - PRO
Puzzle 04 - PRO
Puzzle 05 - PRO
Puzzle 02 - PRO
Puzzle 04 - Hard
Puzzle 06 - Hard
Puzzle 03 - Hard
Puzzle 05 - Hard
Puzzle 06 - PRO
Puzzle 02 - Hard
Puzzle 01 - Hard
Puzzle 04 - Normal
Puzzle 03 - Normal
Puzzle 02 - Normal
Puzzle 01 - Normal
Puzzle 05 - Normal
Puzzle 01 - PRO
Puzzle 06 - Normal
Puzzle 06 - Easy
Puzzle 05 - Easy
Puzzle 04 - Easy
Puzzle 03 - Easy
Puzzle 02 - Easy
Puzzle 01 - Easy