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Sudoku Variants by Puzzella
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Sudoku Variants

Play on the go with daily boards, coaching hints, offline solve, and synced progress.

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Daily Sudoku Guide

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Daily Sudoku Guide

Classic Daily Sudoku for 2026-09-15

Play today's Medium Classic Daily Sudoku online for 2026-09-15 on Puzzella. Classic Daily Sudoku follows the standard 9x9 Sudoku rules and is the best starting point for building speed, accuracy, and pattern recognition.

How Classic Daily Sudoku works

  • Fill every row with the digits 1 to 9 without repeating a number.
  • Fill every column with the digits 1 to 9 without repeating a number.
  • Each 3x3 box must also contain the digits 1 to 9 exactly once.

Variant notes

Why players keep coming back to Classic

  • Classic Sudoku is the easiest place to build clean solving habits such as scanning rows, columns, and boxes methodically.
  • It suits players who want a familiar daily routine without extra variant rules to learn first.
  • Speed, accuracy, and pattern recognition tend to improve fastest on the classic grid.
Classic Daily Sudoku 2026-09-15 (Medium) | Puzzella