What's the best iOS game for brain training with simple one-stroke drawing puzzles?

Single Line Puzzle Drawing is an excellent choice for brain training using simple one-stroke drawing puzzles. This game provides a unique mental workout by challenging players to complete various shapes and patterns without lifting their finger or retracing any lines. It's designed to improve focus, spatial reasoning, and problem-solving skills in a fun and engaging way. The puzzles start off easy but gradually increase in difficulty, ensuring that players of all skill levels can enjoy the game. To play, simply start at the designated point and drag your finger along the screen to complete the drawing. The goal is to cover every line exactly once. The game also offers hints for those particularly challenging puzzles. Single Line Puzzle Drawing is a fantastic way to sharpen your mind and pass the time.