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🎲 Six

Sudoku on a 6 × 6 grid: quick to start, tricky to finish.

How to play

  1. Fill every row, every column and every 2 × 3 box with the numbers 1 to 6.
  2. Each number appears once in each row, column and box.
  3. Tap a cell, then a number below the board. On a keyboard, type 1 to 6; Backspace erases.

More brain breaks

⭐StarsOne star in every row, column and colour patch. Simple rules, real thinking.🟡DuoSuns and grapes, half and half, never three in a row.🧶TrailOne line through every cell, passing the numbers in order.

Questions

What is Six?

Six is Sudoku on a smaller 6 × 6 grid with 2 × 3 boxes. Every puzzle has exactly one answer.

Is it free?

Yes. Every puzzle and every level is free to play in your browser, with no account and nothing to download.

How many levels are there?

10,000 per game, from gentle small boards to expert ones, plus a new daily puzzle. Every puzzle has exactly one answer, so it can always be solved by reasoning.

Is there a new puzzle every day?

Yes: one per game, the same for everyone, gentle on Monday and hardest at the weekend. Solve it to keep your streak going.

Where is my progress kept?

In this browser only: your streak, solved levels and an unfinished puzzle. Nothing is sent to us, and there is no account. Another browser or a private window starts fresh.