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Start a fresh board? Your current progress is kept in your playthroughs list.
Standard 4x4 sudoku rules apply. Clues outside the grid indicate the number of digits visible in that direction, where higher digits block the view of lower ones.
Intro to Skyscrapers
By addie
Standard 4x4 sudoku rules apply. Clues outside the grid indicate the number of digits visible in that direction, where higher digits block the view of lower ones.