Spot the picture that does not belong
A grid of pictures fills the screen and all but one are identical. Find the single picture that differs and tap it. Each one you catch scores a point and brings a slightly bigger grid, so the odd picture hides among more and more lookalikes as you go. The clock gives you sixty seconds to find as many as you can, and a wrong tap costs you nothing but the moment, so you simply keep scanning until the right one gives itself away.
Sweeping your eyes across the whole grid
Fixing on one corner is the slow way to play; the odd picture is far more likely to reveal itself when you take in the whole grid at once and let it pop out on its own. If it does not, sweep steadily row by row so nothing gets skipped. As the grid grows the temptation is to speed up and dart around, but a calm, orderly scan beats a frantic one almost every time, and the quickness comes by itself with a little practice.
The careful-looking skill it sharpens
Unlike the other games here, this one is not about remembering at all, it is about looking, and it trains a child to scan a busy scene and pick out the one thing that is not like the rest. That visual search is quietly at work when a reader spots the difference between b and d, or finds one word on a crowded page, so a sharp eye for small differences pays off well beyond the game. Because the grid grows only when you succeed, it keeps landing right at the edge of easy and hard, which is exactly where attention stays switched on.
Frequently asked questions
How do you play Odd One Out?
A grid of pictures appears, and all but one are the same. Find the one picture that is different and tap it. Each time you are right, the grid gets a little bigger and trickier. See how many you can find in 60 seconds.
Is it good for young kids?
Yes. It uses friendly pictures and no reading, so young children can play, and it gently sharpens their eye for detail.
What is the quickest way to find the odd one out?
Take in the whole grid at once rather than checking pictures one by one; the different one often pops out on its own when you stop staring at a single spot. If it does not, sweep your eyes steadily row by row so you cannot skip it. Staying calm as the grid grows beats speeding up, because a frantic search misses things.