🎮 Browser Game
Draw a Perfect Circle
How close can you draw to a perfect circle? Draw freehand and get scored instantly.
Attempt #1
Click and drag to draw a circle. Release when done.
0%
Circle Score
Best: 0%
How to play
Click on the canvas and drag your mouse (or finger on mobile) to draw a circle as best you can. Try to make it smooth, evenly round and close the loop by connecting the end back to where you started. When you release, the game analyzes your drawing and gives you a score from 0 to 100 percent. Click Try Again to keep improving your score. Your best score is saved in your browser.
Frequently Asked Questions
How does the Draw a Circle game work?
Click and drag on the canvas to draw a circle freehand. When you release the mouse or lift your finger, the game instantly analyzes your drawing and scores it from 0 to 100 percent based on how close it is to a perfect circle.
How is the circle score calculated?
Your score is based on three factors: circularity (how close the shape is to a mathematically perfect circle), radius consistency (how evenly spaced the line is from the center) and closure (how well the start and end points meet). These are combined into a single percentage score.
What is considered a perfect circle?
A mathematically perfect circle has every point equidistant from its center and forms a complete closed loop. In practice, scoring above 95 percent is extremely difficult. Most people score between 50 and 80 percent on their first try.
Can I play this game on mobile?
Yes! The game works with both mouse and touch input. On mobile devices, use your finger to draw on the canvas. The game is fully responsive and works on any screen size.
Is my drawing data saved?
No drawings are saved to any server. Your best score is stored locally in your browser so you can track your improvement over time. Nothing is uploaded or shared.
What is the average score?
Most people score between 60 and 85 percent on their first attempt. With practice, you can improve your score. A score above 90 percent is considered excellent, and anything above 95 percent is nearly perfect.