Gather 10 hints in total.
Gather 50 hints in total.
Gather 250 hints in total.
Gather 500 hints in total.
Solve 25 puzzles.
Solve 75 puzzles.
Solve 150 puzzles.
Complete tutorial levels.
Complete 044 and 046.
Complete 068 and 081.
Complete 135 and 145.
Complete 128, 138, 144 and 152.
17276
662
5350
607