# PuzzleElo

> Free online KenKen math logic puzzle game with a competitive Elo rating system. Solve daily puzzles, play 1v1 real-time matches, and track your progress across leaderboards.

PuzzleElo (puzzleelo.com) is a web-based KenKen puzzle platform featuring:
- Hundreds of free KenKen puzzles across grid sizes 3×3 to 9×9
- Competitive Elo rating system (similar to chess ratings)
- Real-time 1v1 puzzle matches against other players
- Daily challenge puzzles with streaks
- Global leaderboards
- Educational lessons and strategy guides
- Multi-language support: English, Chinese, Japanese, German, French, Spanish
- Free to play; optional premium membership for advanced features

KenKen is a math-based logic puzzle invented in Japan by Tetsuya Miyamoto. Players fill an N×N grid so that every row and column contains the numbers 1 through N exactly once, and each bold-outlined "cage" satisfies an arithmetic target using +, -, ×, or ÷.

## Key Pages

- [Home](https://www.puzzleelo.com/en): Main landing page and game entry point
- [How to Play](https://www.puzzleelo.com/en/how-to-play): Complete rules and strategy guide for KenKen
- [Practice Mode](https://www.puzzleelo.com/en/practice): Free self-paced puzzle solving
- [Leaderboard](https://www.puzzleelo.com/en/leaderboard): Global Elo rankings and top players
- [Daily Puzzle](https://www.puzzleelo.com/en/daily): Today's featured challenge puzzle
- [Lessons](https://www.puzzleelo.com/en/lessons): Step-by-step KenKen strategy lessons
- [FAQ](https://www.puzzleelo.com/en/faq): Frequently asked questions
- [Pricing / Membership](https://www.puzzleelo.com/en/pricing): Premium plan details
- [News](https://www.puzzleelo.com/en/news): Latest updates and announcements

## Optional

- [Full content for LLMs](https://www.puzzleelo.com/llms-full.txt): Detailed rules, strategies, and FAQs