What do the puzzles look like? Here they are, in all their screen-captured glory.
Level 2:
Level 3:
Level 4:
Level 5:
Level 6:
Level 7:
Level 8:
Level 9:
Level 10:
Level 11:
Level 12:
Level 13:
Level 14:
Level 15:
Level 16:
Level 17:
Level 18:
Level 19:
Level 20:
