Towers

Game Rules: Fill in the grid with towers whose heights range from 1 to the grid size, so that every possible height appears exactly once in each row and column, and so that each clue around the edge counts the number of towers that are visible when looking into the grid from that direction. (Taller towers hide shorter ones behind them. So the sequence 2,1,4,3,5 would match a clue of 3 on the left, because the 1 is hidden behind the 2 and the 3 is hidden behind the 4. On the right, it would match a clue of 1 because the 5 hides everything else.) To place a tower, click in a square to select it, then type the desired height on the keyboard. To erase a tower, click to select a square and then press Backspace. Right-click in a square and then type a number to add or remove the number as a pencil mark, indicating tower heights that you think might go in that square. Left-click on a clue to mark it as done (grey it out). To unmark a clue as done, left-click on it again.

Waiting for game to load...

Game Controls

Game Information

Game Seed:loading...

Game ID:loading...

Shortcuts: Ctrl+S(Save) | Ctrl+O(Load)

Game Rules: Towers

Play Towers online for free. Fill a Latin square using skyscraper visibility clues around the grid.

Also known as: Skyscrapers

Why play this puzzle

Towers focuses on using outside clues to reason about visible tower heights, often searched as Skyscrapers. It works well as a quick logic exercise, but also has enough depth for longer solving sessions with fresh generated boards.

The best way to solve this Number Games puzzle is to lean on visibility reasoning: confirm forced moves first, reduce the remaining possibilities, and let the full solution emerge step by step.

Fill in the grid with towers whose heights range from 1 to the grid size, so that every possible height appears exactly once in each row and column, and so that each clue around the edge counts the number of towers that are visible when looking into the grid from that direction. (Taller towers hide shorter ones behind them. So the sequence 2,1,4,3,5 would match a clue of 3 on the left, because the 1 is hidden behind the 2 and the 3 is hidden behind the 4. On the right, it would match a clue of 1 because the 5 hides everything else.) To place a tower, click in a square to select it, then type the desired height on the keyboard. To erase a tower, click to select a square and then press Backspace. Right-click in a square and then type a number to add or remove the number as a pencil mark, indicating tower heights that you think might go in that square. Left-click on a clue to mark it as done (grey it out). To unmark a clue as done, left-click on it again.