1Line - Brain Test Puzzle is a free puzzle game developed by Playmania LTD for Android users. With over 1000 challenging puzzles, this game is perfect for those who enjoy tricky games, riddles, and brain teasers. The goal of the game is to connect all the dots with only one touch and draw the shape.

This game is an excellent way to exercise your brain and improve your IQ score. With daily challenges and hints available, you can train your mind with smart brain puzzles every day. The game's immersive environment and soothing music provide a relaxing and enjoyable experience while teasing your brain. Additionally, the game's ranking system allows you to show off your skills to your friends and family.