Puzzle One Stroke is a puzzle type free game. This is an addictive, completely free one-stroke puzzle game, although it's very simple to play. In your leisure time, you can play a game on the subway, on the train, before going to bed. The more you play, the more your brain will be active, the brain will not grow old. How to play? Just fill all the squares with one stroke. The advantages of our one stroke: We provide 1000 free tips, if you feel too difficult, then please use these tips, and most importantly, these one-stroke tips are completely free. No internet connection, There are a large number of levels, It’s completely free, Suitable for all ages, renewed on time Small installation size The difficulty level is divided into five stages. There will be 100 levels in each stage, and the difficulty will be getting bigger and bigger. Please take it seriously. A stroke is a mathematical problem that is said to help improve work efficiency and prevent aging. Finally, I wish you a happy draw.