We have 1 cheats and tips on 3DS. If you have any cheats or tips for Sudoku by Nikoli please send them in here. You can also ask your question on our Sudoku by Nikoli Questions & Answers page.
Complete the following tasks to unlock the corresponding set of Sudoku puzzles.
Sudokus 11 to 20:
Solve 5 of 10 Sudokus.
Sudokus 21 to 30:
Solve 10 of 20 Sudokus.
Sudokus 31 to 40:
Solve 15 of 30 Sudokus.
Sudokus 41 to 50 :
Solve 20 of 40 Sudokus.