Hard jigsaw puzzles
108 is the daily Expert track. 192 is the gallery ceiling. Both use the same snap as 12 pieces — there is just more sky.
What makes a frame hard
Night, sand, autumn leaves, aurora. Low contrast. The ghost outline is not cheating; it is how cardboard boxes print a reference.
Daily vs gallery
Only the daily sits on the world ladder. A 192-piece sunset is for you. Come back tomorrow at 00:00 UTC if you want a clock.