Here is the full list of all 100 Dark Fantasy: Jigsaw Puzzle achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete Portrait-1 for 12 pieces
Complete Portrait-1 for 24 pieces
Complete Portrait-2 for 12 pieces
Complete Portrait-3 for 12 pieces
Complete Portrait-4 for 12 pieces
Complete Portrait-5 for 12 pieces
Complete Portrait-6 for 12 pieces
Complete Portrait-7 for 12 pieces
Complete Portrait-8 for 12 pieces
Complete Portrait-9 for 12 pieces
Complete Portrait-10 for 12 pieces
Complete Portrait-11 for 12 pieces
Complete Portrait-12 for 12 pieces
Complete Portrait-13 for 12 pieces
Complete Portrait-14 for 12 pieces
Complete Portrait-15 for 12 pieces
Complete Portrait-16 for 12 pieces
Complete Portrait-17 for 12 pieces
Complete Portrait-18 for 12 pieces
Complete Portrait-19 for 12 pieces
Complete Portrait-20 for 12 pieces
Complete Portrait-1 for 108 pieces
Complete Portrait-2 for 24 pieces
Complete Portrait-2 for 48 pieces
Complete Portrait-3 for 24 pieces
Complete Portrait-3 for 48 pieces
Complete Portrait-4 for 24 pieces
Complete Portrait-4 for 48 pieces
Complete Portrait-5 for 24 pieces
Complete Portrait-5 for 48 pieces
Complete Portrait-6 for 24 pieces
Complete Portrait-6 for 48 pieces
Complete Portrait-7 for 24 pieces
Complete Portrait-7 for 48 pieces
Complete Portrait-8 for 24 pieces
Complete Portrait-8 for 48 pieces
Complete Portrait-9 for 24 pieces
Complete Portrait-9 for 48 pieces
Complete Portrait-10 for 24 pieces
Complete Portrait-10 for 48 pieces
Complete Portrait-12 for 24 pieces
Complete Portrait-12 for 48 pieces
Complete Portrait-13 for 24 pieces
Complete Portrait-13 for 48 pieces
Complete Portrait-14 for 24 pieces
Complete Portrait-14 for 48 pieces
Complete Portrait-15 for 24 pieces
Complete Portrait-15 for 48 pieces
Complete Portrait-16 for 24 pieces
Complete Portrait-16 for 48 pieces
Complete Portrait-17 for 24 pieces
Complete Portrait-17 for 48 pieces
Complete Portrait-18 for 24 pieces
Complete Portrait-18 for 48 pieces
Complete Portrait-19 for 24 pieces
Complete Portrait-19 for 48 pieces
Complete Portrait-20 for 24 pieces
Complete Portrait-20 for 48 pieces
Complete Portrait-11 for 24 pieces
Complete Portrait-11 for 48 pieces
Complete Portrait-1 for 192 pieces
Complete Portrait-2 for 192 pieces
Complete Portrait-3 for 192 pieces
Complete Portrait-4 for 192 pieces
Complete Portrait-5 for 192 pieces
Complete Portrait-6 for 192 pieces
Complete Portrait-7 for 192 pieces
Complete Portrait-8 for 192 pieces
Complete Portrait-9 for 192 pieces
Complete Portrait-10 for 192 pieces
Complete Portrait-11 for 192 pieces
Complete Portrait-12 for 192 pieces
Complete Portrait-13 for 192 pieces
Complete Portrait-14 for 192 pieces
Complete Portrait-15 for 192 pieces
Complete Portrait-16 for 192 pieces
Complete Portrait-17 for 192 pieces
Complete Portrait-18 for 192 pieces
Complete Portrait-19 for 192 pieces
Complete Portrait-20 for 192 pieces
Complete Portrait-1 for 96 pieces
Complete Portrait-2 for 96 pieces
Complete Portrait-3 for 96 pieces
Complete Portrait-4 for 96 pieces
Complete Portrait-5 for 96 pieces
Complete Portrait-6 for 96 pieces
Complete Portrait-7 for 96 pieces
Complete Portrait-8 for 96 pieces
Complete Portrait-9 for 96 pieces
Complete Portrait-10 for 96 pieces
Complete Portrait-11 for 96 pieces
Complete Portrait-12 for 96 pieces
Complete Portrait-13 for 96 pieces
Complete Portrait-14 for 96 pieces
Complete Portrait-15 for 96 pieces
Complete Portrait-16 for 96 pieces
Complete Portrait-17 for 96 pieces
Complete Portrait-18 for 96 pieces
Complete Portrait-19 for 96 pieces
Complete Portrait-20 for 96 pieces