Find a different letter!

This game is a pure test of visual perception. You are presented with a grid filled with letters that appear identical at first glance. Buried somewhere within that sea of repetition is one character that differs subtly from the rest. Your mission is to find it as quickly as possible. The twist is that the letters change with each level, and the grid grows more complex, demanding sharper focus and quicker reactions. As you progress, the differences become more challenging to spot, and the pressure of a ticking timer adds to the excitement. It is a straightforward concept that proves surprisingly addictive, perfect for honing your attention to detail or just passing a few minutes with a satisfying mental workout. The game's clean, minimal design lets you concentrate fully on the task at hand, with no distractions to pull your focus away from the hunt.

WaffleMath

Find a different letter!

Common Core State Standards

Every game supports specific Common Core standards. Browse the full standards library.

K.CC.A.2Count on from any number MP3Argue with math MP1Make sense of problems MP6Attend to precision MP7Use structure MP4Model with mathematics MP2Reason abstractly 1.NBT.A.1Count to 120

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1st Grade · 2nd Grade · 3rd Grade

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What is Find a different letter!

Spot the odd one out before the clock runs out. Your eyes will thank you for the challenge.

How to Play

Examine the grid of letters and locate the one character that is different. Click or tap on the odd letter to advance to the next level.

Tips for Playing

Scan the grid in a systematic pattern, like reading a book, to avoid missing the odd letter.
Focus on the shape of the letters rather than their names to spot subtle differences faster.
Try to relax your eyes and look at the grid as a whole; the odd one often stands out when you're not staring directly at it.
In later levels, the difference can be in the letter's style (e.g., bold vs. regular) — don't just compare alphabet letters, compare their appearances.
Stay calm if you can't find it immediately; glancing away for a second can reset your focus and help you spot it.

Frequently Asked Questions

How many levels are there in the game?

The game is designed to be endless, with levels that gradually increase in difficulty. The exact number isn't fixed, so you can keep playing to see how far you can go.

What happens if I click on the wrong letter?

Clicking the wrong letter may result in a short penalty, such as a time deduction. The game will then let you continue searching for the correct one.

Is the game suitable for children?

Yes, the game is family-friendly and can help children improve their observation skills. The early levels are easy enough for younger players, while later levels offer a challenge for all ages.

Do I need to download anything to play?

No, the game runs directly in your web browser. There's no need to install any software or apps — just open the page and start playing.

Can I play this game on my mobile phone?

Absolutely. The game is built to be responsive, so it works smoothly on both touchscreens and traditional computer screens. You can play on any device with an internet connection.