Game Guides

Master your favorite number games with our comprehensive guides and tips.

Sudoku

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Sudoku Basic Rules

Sudoku is a 9x9 grid where you need to fill in numbers 1-9 without repeating any number in each row, column, and 3x3 block.

How to Start Solving Sudoku

Begin with the simplest numbers, look for unique possible positions for numbers, and gradually progress.

Advanced Technique: Hidden Singles

When a cell has only one possible number, that number is the unique candidate.

Advanced Technique: Hidden Singles

When a number has only one possible position in a row, column, or block, that is a hidden single.

Does Sudoku always have a solution?

Every valid Sudoku puzzle has one and only one solution.

How to judge Sudoku difficulty?

Difficulty primarily depends on the number and complexity of techniques required to solve it.

Sudoku Introduction Tutorial

Sudoku Introduction Tutorial
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Advanced Sudoku Techniques

Advanced Sudoku Techniques
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2048 Game Rules

Use arrow keys to move tiles. When two tiles with the same number touch, they merge into one. The goal is to get the 2048 tile.

Advanced Strategy: Corner Strategy

Keep the largest number in a corner and arrange other numbers in decreasing order.

How to get a high score?

Keep the large numbers in the corner, avoid random moves, and maintain an orderly arrangement of numbers.

2048 High Score Tips

2048 High Score Tips
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Number Match

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