# Sudoku

Fill the entire 9×9 grid with numbers 1-9.

- Category: Puzzle
- Features: Leaderboard, Saved progress
- Tags: puzzle, number, logic, grid, brain, classic, placement

## How to play

### Goal

Fill the entire 9×9 grid with numbers 1-9. Every row, column, and 3×3 box must contain all digits from 1 to 9 exactly once.

### Rules

• Each row must have numbers 1-9 (no repeats)
• Each column must have numbers 1-9 (no repeats)
• Each 3×3 box must have numbers 1-9 (no repeats)
• Some numbers are given as clues

### How to Play

• Tap any empty cell to select it
• Use the number pad at the bottom to enter a number
• Tap the same number again to remove it
• Invalid moves will be highlighted

### Tips

• Start with rows, columns, or boxes that have the most numbers filled in
• Look for cells where only one number can fit
• Use the process of elimination
• Don't guess - use logic!

### Difficulty

• Easy: ~53% cells filled (36 removed)
• Medium: ~44% cells filled (45 removed)
• Hard: ~34% cells filled (52 removed)
• Expert: ~30% cells filled (56 removed)

Play Sudoku in the free Game Nest app for iPhone, iPad, and Android.