Sumaddle is a free puzzle game for iPhone that offers a collection of challenging original puzzles. Designed to exercise your brain and enhance your logical thinking skills, these puzzles are perfect for those moments when you have a bit of time to spare. With each solved puzzle, you'll feel a sense of accomplishment as the solution falls into place.

Originally popularized in the Japan Puzzle Championship 2006, these puzzles are known for their difficulty and are not widely known outside of the serious puzzling community. However, Sumaddle brings these intriguing brain teasers to a wider audience by providing an interactive experience. This allows players of all skill levels to enjoy and appreciate the puzzles.

The app includes over 100 free puzzles, ranging from easy to very difficult. For those who may need a little extra help, Sumaddle offers a built-in help feature that is completely free to use. This feature not only helps you fix mistakes, but also provides logical reasoning at every step, ensuring that even the most challenging puzzles can be conquered. Plus, there are no ads to interrupt your puzzle-solving experience, allowing you to fully immerse yourself in the game.