Solve any one easy puzzle.
Solve any one medium puzzle.
Solve any one Difficult puzzle.
Win 20 puzzles from easy difficulty.
Solve any one very difficult puzzle.
Win 20 puzzles from medium difficulty.
Win 20 puzzles from difficult difficulty.
Solve 100 puzzles from any difficulty.
Win 20 puzzles from very difficult difficulty.
Solve 500 puzzles from any difficulty.
Solve 1000 puzzles from any difficulty.