Sudoku Too Hard? Here is What to Do
If Sudoku feels too hard, the reason is either you do not know the required technique yet or the difficulty is too high.
Check the Difficulty
BeginnerMany starting clues. Solvable with Naked Singles only. Start here.
EasyNaked Singles + Hidden Singles. Great for practicing basic techniques.
MediumPair techniques required. This is the first real challenge.
HardX-Wing and beyond. Learn advanced techniques first.
ExpertCombined techniques required. Master advanced techniques before attempting.
MasterFor experts only. Swordfish and other advanced techniques required.
Improvement Roadmap
Progress through Beginner → Easy → Medium → Hard → Expert → Master in order. Master one technique at each level before moving up. Take your time and enjoy the journey.