Puzzle PK
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About Puzzle PK

Puzzle PK is an open-source, free-to-play online logic puzzle platform dedicated to providing players with high-quality brain training and immersive gaming experiences.

Our Vision

We believe that games are not just for entertainment, but powerful tools for sharpening the mind and fostering connections. Puzzle PK places a special emphasis on parent-child interaction and logic education. With carefully crafted levels and clean, eye-friendly interfaces, we offer a relaxing space for adults to unwind and a stimulating environment for children to improve their spatial imagination and logical reasoning.

What We Offer

Puzzle PK brings you 18 classic and original logic puzzles — Sudoku, Minesweeper, Nonogram (Picross), Sokoban, Gomoku, Tetris Battle, Math 24, 2048, Water Sort, Codebreaker, Connect Colors, Lights Out, Hashi, and more — all playable for free in your browser with no downloads or installs. Every game supports solo brain training, and most include real-time multiplayer PK rooms where you can challenge friends or match against players around the world.

Core Features

  • For All Ages: From simple connecting puzzles to brain-burning Sudoku, catering to all age groups.
  • Parent-Child PK Mode: Unique competitive rooms allow parents and children to engage in fair, logical battles across devices.
  • Pure Experience: We guarantee a clean game interface. Minimal ads are only used to cover basic server costs and will never disrupt your core gameplay.
  • Daily Challenges & Leaderboards: A new daily challenge every day, plus global leaderboards, personal bests, achievements, and XP streaks that keep your brain training consistent.
  • Open Source: The project is entirely open-source. We welcome developers to contribute and build a better gaming ecosystem together.

Contact Us

We love hearing from players. For feedback, bug reports, partnership, or advertising inquiries, email us at support@puzzlepk.com. We aim to reply within 48 hours.

Privacy & Safety

Puzzle PK is designed to be safe for children. We collect only the minimum data needed to operate the platform (a username and a hashed password — no real name or email required), never sell personal data, and display only family-friendly ads. See our Privacy Policy and Terms of Service pages for details.

Thank you for choosing Puzzle PK. Let's discover the joy of thinking together!