Here is the list of puzzles to complete the 100% run:

The Cave:

1.Spider puzzle 2.Family tree puzzle 3.Eagle statue puzzle 4.Colored bugs puzzle 5.All 3 wall puzzles (red and green figures, dark monsters, fish and submarine)(4th isn't a puzzle) 6.Bacteria puzzle 7.Mr.Owl's rescue puzzle 8.Line drawing puzzle

The submarine:

1.All 4 travellings 2.Fishing puzzle 3.Fish cooking puzzle 4.Light signals puzzle 5.Octopus puzzle 6.Another fishing puzzle

The bottom of the ocean:

1.Golden cube puzzle