Puzzle 1: Fish feeding on sponge
  • Easy
  • Medium
  • Hard

Puzzle 2: Jellyfish
  • Easy
  • Medium
  • Hard

Puzzle 3: Lobster hidden in a rock
  • Easy
  • Medium
  • Hard

Puzzle 4: Diving on a reef
  • Easy
  • Medium
  • Hard

Puzzle 5: Starfish
  • Easy
  • Medium
  • Hard

Puzzle 6: Nudibranch on hydrozoa
  • Easy
  • Medium
  • Hard