Play Other Hard Level
Sudoku Hard Level 26 clues
This hard level sudoku has 26 clues, there are 55 unfilled boxes, fill in and solve the problem of this hard level sudoku and record your best time to solve this game puzzle at hard-sudoku.com.
Daily Hard Sudoku
Use the note feature to map the numbers in each box by double clicking on the number button or Press shift toggle note mode on/off. Full game instructions can be found below.
Play Instruction
- Click the ‘PLAY Hard Sudoku 26’ button to start the game and the timer will also start.
- Click a number 1~9 below or press a key of 1~9 in keyboard to get a number in hand. then, click on the cell to put a number
- Click a selected number below one more time to toggle note mode on/off or Press shift to toggle note mode on/off.
