1. Classic Sudoku gameplay:1.1 The rules are minimalist, with no repetition of numbers in each row, column, or 3x3 sub grid. The rules are simple but the strategies are infinite.1.2 Dynamic Difficulty Adaptation: Intelligent algorithms adjust the difficulty of questions in real-time, from beginner to master, there is always a level that suits you.2. Ladder difficulty:Easy mode, medium mode, difficult mode, master mode, daily challenge;3. Ability report:Problem solving speed, accuracy, difficulty, clearance progress, and historical best records;
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