Draw a Perfect Circle

Try to draw a perfect circle around the dot in one smooth stroke. The game scores your roundness from 0 to 100%.

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How To Play Draw a Perfect Circle

You will see a small black dot in the middle of the drawing area. Your job is to draw a perfect circle around it in one single stroke.

  1. Press down anywhere around the dot with your mouse, finger or stylus.
  2. Drag all the way around the dot without lifting.
  3. When you get back to where you started, the game stops and gives you a score.

As you draw, your line changes color. Green means that part of the line sits at a nice, even distance from the dot. Yellow and orange mean you are starting to drift. Red means that part has wandered far off. You can watch your live score change under the dot while you draw. With sound on, a tone plays as you go, and it climbs higher the rounder your circle gets. Tap the speaker button in the corner to mute it.

A few things will end your round early. Starting too close to the dot, drawing through it, taking longer than 8 seconds, or making a circle that is too small all count as a fail. Letting go before you get most of the way around counts too. Do not worry, there is no button to press. Just start drawing again.

What Your Score Means

Your score is all about roundness. The game checks every bit of your line and asks one question: is it the same distance from the dot as the rest? The closer the answer is to β€œyes” all the way around, the higher you score.

  • Under 50%: your shape is more of a lumpy bean. Totally fine for a first try.
  • 50% to 70%: you clearly drew a loop, but it has flat sides or a bulge somewhere.
  • 70% to 85%: a good, solid circle. Most of your line is even.
  • 85% to 95%: really round. Only small wobbles are pulling you down.
  • 95% and up: very rare. Your hand is impressively steady.

Your best score is saved in your browser, so you can come back and try to beat it any time.

Tips To Improve

  • Go a bit faster. Slow drawing makes your hand shake. One smooth, confident swoop usually scores higher than a careful crawl.
  • Move your whole arm. If you only bend your wrist, your circle tends to get flat on one side. Let your elbow or shoulder do the work.
  • Pick a medium size. Tiny circles show every wobble. Huge circles are hard to keep even. Aim for somewhere in between.
  • Watch the colors. If one side keeps turning red, that is the side your hand pulls in or out on. Focus on it next round.
  • Try a different device. A finger on a touch screen, a trackpad and a mouse all feel different. One of them is probably your secret weapon.

Fun Facts About Circles

People have tried to draw perfect circles by hand for a very long time. There is an old story about the painter Giotto, who was asked to prove his skill. Instead of sending a painting, he simply drew a red circle freehand, and it was said to be so round that it impressed everyone who saw it.

A circle is the only shape where every point on the edge sits exactly the same distance from the center. That is why the game cares so much about the dot. Wheels, plates and coins are round for the same reason: an even edge rolls and stacks smoothly, while a wobbly one would bump along.

Frequently Asked Questions

How is the circle score worked out?

The game measures how far every part of your line is from the center dot. If those distances all match, your score is close to 100%. The more your line drifts in and out, the lower your score goes.

Why did my circle fail?

A round fails if you start or draw too close to the dot, take longer than 8 seconds, draw a tiny circle, or let go before you get all the way around. Each fail shows a message telling you which one happened.

Can I draw a perfect circle on my phone?

Yes. Use one finger and drag around the dot. Many people find a finger on a phone feels smoother than a mouse, so try both and see which one gives you a higher score.

Is a score of 100% possible?

In theory, yes, but human hands always wobble a tiny bit. Scores in the high 90s are already amazing. Getting to exactly 100% would take a perfectly steady hand and a lot of luck.

Does it matter which way I draw?

No. You can go clockwise or counterclockwise. The game only cares about how evenly your line stays away from the dot.

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