数独 · SudokuSudoku
经典数独 · 益智解谜Classic logic puzzle ★★★★★
从入门到专家的海量题库,搭配智能提示与技巧讲解;每日挑战养成好习惯,在线对战与全球玩家一决高下。 Thousands of puzzles from beginner to expert, smart hints that teach real techniques, a daily challenge to build the habit — and live PK against players worldwide.