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Objective / Rules - Complete the grid such that every row and column contains the numbers 1 to the size of the grid. - Each row and column contains each number only once. - The rules around the outside tell you how many skyscrapers you can see. - You can't see a shorter skyscraper behind a taller one.
Help Read the help/walkthrough page on Skyscraper puzzles for a more detailed explanation and a walkthrough.
Keyboard Usage[only when your cursor is in the grid] Note: not all options work on all browsers. For pencil marks simply enter multiple digits per square. A = auto-pencil marks (or click the check box). CTRL + arrows = move around the grid. SHIFT + number = highlight all squares with that number [SHIFT+0 to clear].
Mouse Usage Clicking a clue will change its colour, very handy when you know the clue has been satisfied.
Checking If you click 'Check' the system will check for incorrect squares. If 'Show mistakes when checking' is checked they will be marked in red. There are two types of error checked for: 1. A single number that isn't the same as the solution. 2. Multiple numbers that don't contain the solution number.
Uniqueness Each puzzle has exactly one solution, which can be found using logic alone and no guesses are ever required. If you think you've found another solution, then please double check the rules.
[Puzzle Code = Skyscrapers-0128-8x8-Hard-037679]