Free Skyscraper Logic Puzzle - Play Online

What is Skyscraper Puzzle? (Rules & How to Solve)

The Skyscraper puzzle is a logical number puzzle similar to Sudoku. The numbers inside the grid represent the height of the buildings. The numbers outside the grid are "shadow clues" indicating how many buildings are visible from that direction.
You can play online free directly in your browser—no app required.

Daily Grids: From Easy 4x4 to Hard 6x6

We offer three difficulty levels updated daily. Start with the Easy 4x4 grid to learn the basics, move up to the Normal 5x5, or test your logic with the Hard 6x6 puzzles.
You don't need a physical puzzle book or printable PDF; our game features convenient two-color pencil marks (memo tools) to help you solve comfortably on your device.

Techniques and Tutorial

• Want to learn some essential techniques? First, look for the "1" clues—the tallest building must be placed right next to them.
• Another key technique: count how many different numbers are possible for each cell based on the clues, and eliminate options row by row. Using the memo feature is a great tutorial step for beginners.

Looking for a Skyscraper Puzzle Solver?

Q: Do I need a Skyscraper puzzle solver or answer key?
A: No need to search for an answer key online—our built-in logical Hint feature reveals the next logical step instantly! If you get stuck on a difficult 5x5 or 6x6 grid, you don't need an external solver. Our hints serve as the perfect tutorial to master the game on your own.