邪惡數獨

最難的經典 9×9 謎題 — 稀疏的給定數字,沒有簡單的單一數,需要高級技巧。純邏輯,無需猜測。

在線玩邪惡數獨 — 免費、無限,且每個推論都遵循邏輯。您將需要 X翼, Swordfish,以及完整的候選數標記來破解這些網格。

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8
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8
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9
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錯誤
0/3
分數
-
時間
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什麼令數獨邪惡

一個邪惡數獨不僅僅是給定較少的困難謎題。定義評級的是 技巧簡介:在解題的某個時刻,單一、對和宮線刪除都用盡,前進的唯一方法是高級模式。這裡的每個邪惡謎題至少需要一種重量級技巧——一個 X翼,其中一個候選數被鎖定在兩行中的兩個格子,從而從兩個整列中刪除該數字;一個 Swordfish,三行三列的相同概念延伸;或XY鏈,其中連結的雙候選數格子將推論傳遞到整個棋盤,直到某處的數字被強制確定。

實際上,這意味著解題發生在候選數標記中。預計早期就要填滿完整的候選數筆記,在長時間的平靜期中沒有格能確定,然後當關鍵模式出現時,一次解開五到六個數字。這種節奏——乾旱、突破、連鎖——是極難網格的標誌。關鍵是,這都不是猜測:每個謎題都有唯一解和一條完整的邏輯路徑。

邪惡 vs 專家 vs 極難

邪惡介於 專家 和 極限 在我們的階梯上。一個誠實的比較:

等級 所需最難技巧 鉛筆標記 典型解題時間
專家 隱藏對,偶爾X翼 有幫助 10–25分鐘
邪惡 X翼、劍魚、XY鏈 基本 20–45分鐘
極難 長鏈,多層疊魚 基本,大量管理 40+分鐘

誠實的建議:如果專家謎題仍然需要超過半小時,在那裡多停留一段時間 — 邪惡只會讓你沮喪。如果你能輕鬆完成專家網格但極限感覺像一堵牆,邪惡正是你想要的橋樑:它需要高級模式但沒有殘酷的鏈條深度。而當邪惡開始感覺常規時, 極限數獨 在等待。如果表中的任何技巧不熟悉,請完成 數獨規則與技巧指南 首先 — 十分鐘的閱讀節省數小時的盯著看。

邪惡數獨 — 常見問題

Is evil the hardest Sudoku level?
Almost. On 數獨, evil sits one step below extreme — the absolute top tier. Evil puzzles demand advanced techniques like X-Wing and Swordfish, while extreme adds even longer chains and sparser starting grids. If you can finish evil puzzles consistently, extreme is your next stop.
How long does an evil Sudoku take to solve?
Most experienced players need 20 to 45 minutes per puzzle. Solvers fluent in fish patterns and chains can finish in 12–15 minutes, while a first attempt can easily take over an hour. Speed comes from recognising patterns quickly, not from writing faster — expect your times to drop sharply after your first ten puzzles.
Can evil Sudoku be solved without guessing?
Yes. Every evil puzzle on this page has exactly one solution and a complete logical path to it. You never need to guess — but you do need advanced eliminations. If you feel forced to guess, there is almost always an X-Wing, Swordfish, or chain you have not spotted yet.
What techniques do I need for evil Sudoku?
Beyond singles and pairs, you should be comfortable with pointing pairs, hidden pairs, X-Wing, Swordfish, and simple XY-chains. Full pencil marks are essentially mandatory — evil puzzles are solved in the candidates, not in the cells.
Is evil Sudoku free to play here?
Yes — every puzzle is free, with no signup, no download, and unlimited new puzzles. Creating an account is optional and only needed if you want your times and scores saved to the leaderboard.

想先鞏固基礎?閱讀 完整技巧指南 或熱身於 專家數獨.