Here is the full list of all 18 Game Of Puzzles: Dinosaurs achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Complete level 1
Complete level 2
Complete level 3
Complete level 4
Complete level 5
Complete level 6
Complete level 7
Complete level 8
Complete level 9
Complete level 10
Complete level 11
Complete level 12
Complete level 13
Complete level 14
Complete level 15
Complete the level on easy difficulty level
Complete the level at medium level of difficulty
Complete the level on a hard level of difficulty