Brain It On — Free Online Physics Drawing Puzzle
Brain It On is a creative physics puzzle where you draw shapes that come to life as real objects. Draw ramps, levers, weights, and bridges to solve each challenge. Every drawing matters — your lines become physical objects affected by gravity, friction, and momentum.
How to Play Brain It On
- Use your mouse or finger to draw shapes on the screen — anything you draw becomes a solid physics object.
- Solve the goal shown at the top of each level: move the ball to a target, knock something over, or reach a destination.
- Drawn objects obey real physics — they fall, slide, roll, and collide just like real objects would.
- Think about leverage, ramps, and counterweights. A small line in the right place can move big objects.
- Stuck? Erase and redraw — you have unlimited attempts to find the perfect solution.
Tips & Strategy
- Draw ramps to redirect rolling objects — angle is everything.
- Create counterweights by drawing heavy shapes on one side of a pivot point.
- Keep drawings simple. Complex shapes can behave unpredictably — sometimes less is more.
- Use the environment: existing platforms and pegs can serve as pivot points for levers.
- Watch how objects interact. If something falls the wrong way, adjust your drawing and try again.
Frequently Asked Questions
Is Brain It On free to play?
Yes! Brain It On is completely free to play online in your browser. No download, no account — just draw and solve.
Can I play on mobile?
Absolutely — the game is designed for touch. Draw with your finger just like using a pen on paper.
How many levels are there?
Over 30 levels of increasing complexity, starting with simple ramps and progressing to elaborate multi-step contraptions.
Can I erase my drawing?
Yes — use the erase tool or reset button to clear the screen and try a fresh approach any time.