How To Beat The Eyeballing Game – An Addictive Online Timewaster

Dave Parrack 27-02-2013

the eyeballing gameYou may not think geometry plays any part in your life, but you’d be wrong. If you do anything practical – hanging a picture, putting up a shelf, or building flat-pack furniture — you deal with geometry. Choosing how to furnish your house, recognizing faces, and even shooting photographs 7 Key Photography Tips for Absolute Beginners These photography tips will help you take better photos, whether you're a beginner or have some practice already. Read More all require some knowledge of the shapes, sizes, and angles you’re seeing.


If you want to know how good you are at dealing with geometry then The Eyeballing Game is just for you. It’s simple to play but difficult to master, which gives it an addictive quality (similar to Tetris and its various clones Fall Head Over Heels With The Best Tetris Clones To Play Online [MUO Gaming] Tetris is fast approaching its 30th birthday, having originally been released in the USSR in 1984. What's absolutely amazing is that Tetris has lost none of its appeal in those three decades, gaining new fans... Read More ) that will likely keep you playing. You’re presented with seven different challenges, and tested three times on each. The idea is to correct the image as accurately as possible, with the lower the score the better.

At the end of The Eyeballing Game your scores are averaged out by the margin of error. Zero is the ultimate aim, though I doubt anyone has yet, or ever will, achieve a perfect score. To make things even more challenging you’re competing against the clock, though speed is a secondary concern. What follows is each challenge in turn detailed along with some simple tips to help you get closer to the desired 0.0.


the eyeballing game

The first time I played The Eyeballing Game I wasn’t sure what a parallelogram was, so my guess for the correct position was wildly inaccurate. the easiest way to think about this challenge is that a parallelogram features two sets of parallel lines.

This makes the methodology for finding the correct position for the corner simple. All you need to do is line up one of the sides first before you deal with the other. When you’re sure both sets are parallel lock the position in and see how well you judged it.


the eyeballing game tips

All you need to do here is find the midpoint of the line segment. This is probably the easiest of the seven challenges included in The Eyeballing Game, with the lowest probability of being wildly off. You are, after all, only dealing with one element.

As well as finding the midpoint you have to straighten the line. I always do this before working out where the center of the line is, but you may find it easier to do so using the temporary angle. Be careful not to accidentally adjust the spacing when you straighten the line out.

Bisect Angle

the eyeballing game tips

You’re presented with a random angle and have to bisect it as perfectly as possible. In other words you need to determine where the line should sit if it’s going to be the same distance away from both of the other lines.

The differing lengths of the pre-existing lines can be wildly off-putting, so to remedy this place your hand on the screen to cover up any excess length. Once the two lines look the same it’s much easier to successfully bisect the angle.

Triangle Center

the eyeballing game tips

You’re presented with a scalene triangle and asked to find the center of it. This is the point “equidistant to the edges.” This is one challenge liable to catch out many people on their first play-through, but it’s actually fairly simple to correctly judge where to make your mark.

Imagine drawing a perfect circle which hits all three sides of the triangle, sitting locked inside it. Then simply mark the center of that triangle. Finding the center of a circle is no mean feat, but it’s simpler when it’s this size rather than any larger…

Circle Center

eyeballing game

Following on from the last challenge is one which asks you to mark the center of a large circle. You’re presented with a perfect circle and asked to correctly judge where the central point should be.

Zooming your screen out can help with this one, or if that’s too much trouble simply move further away from your computer. The more of the circle you can see the easier it is to judge where the center would be. Try and line up the horizontal axis and the vertical axis in turn.

Right Angle

eyeballing game

Right angles are everywhere you look, though they’re more a part of man-made structures than the ones inherent in nature. They may be essential but it’s surprisingly difficult to judge the difference between a perfect right angle and one that’s just slightly off.

If you’re playing The Eyeballing Game on a portable device then turn the screen until the stationary line is pointing straight up. This makes it much easier to find the 90-degree angle. Also make the movable line longer to help you judge more accurately.


eyeballing game

The final challenge is perhaps my favorite on the list. Mainly because it’s the one I always seem to hit pretty much spot on. You’re shown three straight lines and asked to find the exact point at which they would converge were they to carry on in the same direction.

The only way to beat this challenge is to tackle one line at a time. When they’re all dead straight you will have found the correct point to set, with one final look at all three insuring you haven’t veered off course.


the eyeballing game

The Eyeballing Game is truly one of the most addictive games I have played in a long time. Like many of the best games it draws you in with its “just one more go and I’ll do better” mentality. This has quickly found its way into my list of fun things to do online when bored 20 Fun Things to Do Online When You're Bored at Work These websites are guaranteed to ease your boredom at work. Because we know that even the best jobs have their bad points and those moments when boredom sets in. Read More .

With local scores saved as long as you want them saved, and the best scores of the last 500 and last 10,000 games listed on the site, there’s an obvious lure tempting you to keep on trying. Hopefully this article will help banish the frustration felt when you fail to do well.

Have you played The Eyeballing Game? It’s been online for several years but remains something of a hidden gem. Use the comments section below to let us know what you think of this fun timewaster, or, if you’re so inclined, let us know the best score you’ve achieved. If your gray matter needs more massaging then you can try these other games for the brain Exercise Your Mind With 'Games For The Brain' It is very important to keep your brain occupied and working hard. Not constantly, of course, as we all need time off from thinking, from calculating, from forming ideas. But exercising it on a regular... Read More .

Image Credit: Avi

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  1. Anonymous
    October 21, 2015 at 4:15 pm

    My best is 2.34. 6th best of the last 500 games today (10/21/15)

  2. Garris Rago
    February 27, 2013 at 5:55 pm

    Just played a game, loved it. Got the whole family to play it, got top score! Think I will keep this on a bookmark for bored times (Y)

    • Dave Parrack
      February 27, 2013 at 7:28 pm

      You got the top score? Out of the last 500 games? Awesome, I haven't managed that achievement yet. I usually have one or two I mess up big style, and they drag my average down.

      • Garris Rago
        February 27, 2013 at 9:16 pm

        Sorry for not being clear, I meant top out of my family members haha! I get the same as you though, just my family get it worse than me.

  3. Lisa Santika Onggrid
    February 27, 2013 at 1:48 pm

    Nice. Some people have told me that my sight isn't that good, that I tend to look at the right too much. This would be a good test of that claim.

    • Dave Parrack
      February 27, 2013 at 7:27 pm

      It may prove useful, and you'll at least have fun along the way.

  4. Mac Witty
    February 27, 2013 at 8:40 am

    Addictive is an understatement - Think I have to block the site for entering at daytime ;)

    • Dave Parrack
      February 27, 2013 at 7:27 pm

      Tell me about it. That's why I had to delete Angry Birds from Facebook... time suck.

  5. Márcio Guerra
    February 27, 2013 at 7:00 am

    Very nice game on the concept! A bit boring on the long run. Or it is me and the long time of the day... Thank you anyway! Already played a few times!


    Márcio Guerra

  6. Febrian Adi
    February 27, 2013 at 6:20 am

    a very interesting game from a very interesting engineers site..
    i love it :D

  7. Sh
    February 27, 2013 at 4:07 am

    I will play again that game later haha.. even a classic game like that has so much fun.. thanks for writing the article, Dave

    • Dave Parrack
      February 27, 2013 at 7:25 pm

      You won't be able to help yourself... I keep dipping back in several weeks after I discovered it lol.