🏙️ Skyscraper

Skyscraper is a Latin-square visibility puzzle. Each cell is a tower of that height; the clues around the edge say how many towers you can see from that side — taller towers hide shorter ones.

How to play

1. Fill each row and column with heights 1–n, no repeats.
2. A clue of n means the line ascends perfectly; a clue of 1 means the tallest tower is in front.
3. Match every edge clue to solve.

Strategy tips

• A clue of 1 means the tallest tower stands first on that side — place it immediately.
• A clue of n means the line ascends perfectly 1, 2, 3…n — fill the whole line in.
• Only record-breaking heights count as visible — a tall tower early hides everything behind it.

FAQ

What do the edge numbers mean?

Each clue counts how many towers are visible looking along that row or column — taller towers block shorter ones behind them.

Is it a Latin square?

Yes — each row and column holds heights 1 to n exactly once, like Futoshiki but with visibility clues instead of inequalities.

Which clues are hardest?

Middle values like 2 or 3 — they constrain without forcing, so they resolve late.

Difficulty affects grid size and time is your score — finish fast, post to the daily leaderboard, or race a friend.

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