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How to Play Noos Sudoku
Fill the grid so every row, column, and bold box contains each number exactly once.
Standard:
Uses numbers 1β9 in a 9x9 grid.
Mini:
Uses numbers 1β6 in a 6x6 grid. Perfect for a quick mental reset.
Sudoku X:
The two main diagonals (marked by a subtle highlight) must also contain each number exactly once.
Hyper Sudoku:
Features 4 extra shaded inner 3x3 regions that must also contain numbers 1β9 uniquely.
Maxi (12x12):
Uses digits 1β9 plus values A, B, and C in 3x4 rectangular blocks.
Mega (16x16):
The ultimate test. Uses digits 1β9 plus values A to G in giant 4x4 blocks.
Use the 'Notes' mode to pencil in possibilities if you get stuck.
Got it!
4,000 Puzzles
All Modes
Classic (9x9)
Mini (6x6)
Sudoku X
Hyper Sudoku
Maxi (12x12)
Mega (16x16)
Samurai (21x21)
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π² Pick for Me
Mini
#83
hard
Samurai
#83
easy
Sudoku X
#83
medium
Hyper
#83
easy
Mega (16x16)
#83
easy
Sudoku
#84
medium
Maxi (12x12)
#84
easy
Mini
#84
hard
Samurai
#84
easy
Sudoku X
#84
medium
Hyper
#84
easy
Mega (16x16)
#84
easy
Sudoku
#85
medium
Maxi (12x12)
#85
easy
Mini
#85
hard
Samurai
#85
easy
Sudoku X
#85
medium
Hyper
#85
easy
Mega (16x16)
#85
easy
Sudoku
#86
medium
Maxi (12x12)
#86
easy
Mini
#86
extreme
Sudoku X
#86
medium
Hyper
#86
easy
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