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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
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Classic (9x9)
Mini (6x6)
Sudoku X
Hyper Sudoku
Maxi (12x12)
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Samurai (21x21)
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Mini
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hard
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hard
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#283
medium
Mini
#283
hard
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#283
medium
Hyper
#283
hard
Maxi (12x12)
#283
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Mega (16x16)
#283
hard
Samurai
#283
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Sudoku
#284
medium
Mini
#284
hard
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#284
medium
Hyper
#284
hard
Maxi (12x12)
#284
hard
Mega (16x16)
#284
hard
Samurai
#284
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#285
medium
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#285
hard
Sudoku X
#285
medium
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