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About Brain Lines
Brain Lines turns a blank screen into a playground for your imagination. Each level presents a small physics problem, and the solution is whatever you can sketch: a ramp, a hook, a weight, or a bridge drawn with a single stroke. Because the objects you draw obey real gravity and momentum, there is rarely just one correct answer, which makes every solved puzzle feel like a personal discovery.
The charm of the game lies in how quickly a simple doodle can turn into an elegant machine. Levels start easy but soon demand smarter thinking, rewarding players who experiment rather than those who look for a fixed trick.
How to Play Brain Lines
Study the scene first: identify what needs to move, fall, roll, or touch something else. Then draw a line or shape and watch the physics simulation react. If your idea fails, erase it and try a different angle or a heavier shape.
Controls
- Click and drag with the mouse, or drag a finger on touch screens, to draw lines.
- Release to finish the stroke and let physics take over.
Tips for Solving Puzzles
- Short, sturdy shapes often work better than long, flimsy lines.
- Use gravity to your advantage by drawing weights that push or pull objects.
- When stuck, change the point where your drawing touches the level rather than redrawing the same idea.
With patience and a bit of lateral thinking, even the toughest Brain Lines puzzles open up.











