Free Printable Hoshi Star Sudoku Puzzles

Download our free printable Hoshi Sudoku puzzles and enjoy a little extra logic puzzle challenge 🙂

Hoshi Sudoku, also known as Star Sudoku, is a logic-based number puzzle inspired by the classic Sudoku. It differs from traditional Sudoku in its destinctive star shaped grid made up from a series of triangles. As with traditional sudoku, there rules are simple, but implementing them is deceptively tricky. Each triangle and each row can only include one of each number from 1 – 9.

Here’s a breakdown of the rules and some helpful tips to conquer this challenging puzzle.

Download puzzles below 🙂


  1. Six Large Triangles: The puzzle consists of six large triangles arranged in a star shape.
  2. Number Placement: Each triangle contains nine triangular cells, and you must fill these cells with the numbers 1 to 9.
  3. Line Exclusion: No number can appear more than once in any line, whether it’s a continuous line or a combination of lines that form a shape. This includes horizontal, vertical, and diagonal lines.

Solving Tips

  1. Scan for Known Numbers: Start by identifying the numbers already present in the puzzle. Look for these numbers as you fill in the remaining cells.
  2. Deduction: Identify where you know numbers can’t be placed as well as where they can.
  3. Identify Constraints: Observe the lines and triangles that contain known numbers. Eliminate those numbers from the remaining cells within those lines and triangles.
  4. Review and Refine: As you fill in more cells, revisit your previous deductions and make sure they still hold true. The puzzle may have changed, and you may need to modify your strategies.

Hoshi Sudoku challenges your logic and deductive reasoning skills. With practice and these tips, you’ll be able to navigate the star shaped grid and solve these puzzles with confidence.

Download Hoshi Star Sudoku Puzzles

Star Hoshi Sudoku Puzzles Beginner

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