Nano Sudoku cover art
Logic Puzzle Brain Focus 1–3 min

Nano Sudoku

Fill a 4×4 grid — no repeats in rows, columns, or 2×2 boxes.

Nano Sudoku gameplay screenshot
Real in-game screenshot · tap to play

How to play Nano Sudoku

  1. Tap an empty cell, then pick a number 1–4.
  2. Each row, column, and 2×2 box may use each digit only once.
  3. Given cells (bold) stay locked — fill the rest to clear.
  4. Higher levels hide more digits. Clear all 5 stages for the run.

Good to know

  • Free and instant: runs in your browser on phone, tablet or desktop — nothing to install.
  • Session length: about 1–3 min per round, perfect for a short break.
  • Progress saves automatically in this browser: best scores, missions and favorites.

Start playing Nano Sudoku or browse all Play Hub games.

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Play Nano Sudoku offline on Android

Nano Sudoku is part of Today Puzzle: Brain Games, our free Android app — no Wi-Fi needed, with daily puzzles and check-in rewards.

Get it on Google Play