Can I play Sudoku online for free?

Yes. Pure Sudoku runs in your browser, so you can start a free solo Sudoku puzzle without downloading an app or creating an account.

When do I need an account?

Solo play does not require one. Sign in when you want to save daily times, keep streaks, and appear on leaderboards.

Start with Easy if you are learning, Medium for steady practice, and Hard or Expert when you are comfortable using notes and elimination.

Yes. The board, keypad, notes, hints, and daily challenge are designed for mobile, tablet, and desktop browsers.

Yes. Use Multiplayer to invite a friend with a private link, join with a code, or find a quick match on the same fair board.

簡潔。聰明。令人著迷。

完成今日數獨，開始連續紀錄 完成排名數獨，明天再來挑戰。

成為今天第一個留下時間的人。

個人最佳 —

你的排名 —

單人遊戲中等

對手

錯誤 0

你 81

對手 —

時間 0:00

點一下格子開始。

立即開始

無需建立帳戶，開啟棋盤即可遊玩。

選擇難度

可練習簡單、中等、困難或專家級。

明天再來

每日挑戰每天都會帶來一個新目標。

填滿 9 × 9 棋盤，讓每一列、每一欄和每個 3 × 3 宮都恰好包含一次數字 1 到 9。無需計算，只要觀察、排除並進行邏輯推理。