Complete 10 puzzles on easy difficulty (One Session, No Auto-Solve)
Complete 25 puzzles on easy difficulty (One Session, No Auto-Solve)
Complete 10 puzzles on middle difficulty (One Session, No Auto-Solve)
Complete 25 puzzles on medium difficulty (One Session)
Complete 10 puzzles on hard difficulty (One Session, No Auto-Solve)
Complete 25 puzzles on hard difficulty (One Session, No Auto-Solve)