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StraightUpPuzzle
Game
Sudoku
Calcudoku
Killer Sudoku
Futoshiki
Skyscrapers
Size
Level
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Medium
Hard
Expert
New puzzle
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✏️ Notes
⌫ Erase
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💡 Hint
Tap a cell, then a number. Hold a number for one pencil mark; ✏️ switches to notes mode.
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