How many differences are there in Flash Difference?

There are three differing cells hidden in a grid of four rows by five columns. Each one is a square whose color changed in the second grid.

How much time do I have in Flash Difference?

You have fifteen seconds. If the timer reaches zero before you find all three differences, the round ends and you can start a new one.

What happens when I tap the wrong cell?

Nothing is marked, and no penalty is applied except the seconds you spend. Correct finds are circled with an orange outline.

Spot the Difference Grid Game

Objective

Spot the cells that differ between two color grids before time runs out. Tests fast visual comparison — the two grids look almost identical, and the goal is spotting every cell that's actually a different color before time runs out.

How to play

Compare the two grids side by side.
Tap the cells that are a different color between the two grids.
Find every difference before the timer runs out.

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Playing as

Flash Difference

Spot the 3 cells that differ between the two grids before time runs out.

Ready

0 moves

Time left: 15sFound: 0 / 3

About Flash Difference

Flash Difference sets two grids of colored squares side by side and starts a fifteen-second countdown. They look identical at first glance, but three squares in the right-hand grid have quietly changed color. Tap the cells you think differ before the clock runs out. It is a quick visual comparison test that rewards a calm, organized scan over frantic clicking.

Tips and strategy

Scan one row at a time and compare it across both grids, instead of jumping around randomly.
Compare the colors in pairs of neighbors. A cell that breaks the local color pattern is a strong suspect.
Watch for similar hues. Some palette colors, such as indigo and violet, look close together at a glance.
Tapping a cell that has not changed does nothing except use up your time, so look carefully before each click.
Check the found counter and the timer together. Once two differences are marked, concentrate on the remaining unscanned rows.

What it exercises

Flash Difference trains visual discrimination, sustained attention and quick scanning. Working against a short timer also encourages you to settle on an efficient search routine, which can help in any task that involves comparing two similar items. Short rounds make it easy to practice a little at a time.

Frequently asked questions

How many differences are there in Flash Difference?: There are three differing cells hidden in a grid of four rows by five columns. Each one is a square whose color changed in the second grid.
How much time do I have in Flash Difference?: You have fifteen seconds. If the timer reaches zero before you find all three differences, the round ends and you can start a new one.
What happens when I tap the wrong cell?: Nothing is marked, and no penalty is applied except the seconds you spend. Correct finds are circled with an orange outline.

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