How long are cells shown?

This version reveals target cells for about 3 seconds.

How is visual memory scored?

Score is the number of correctly selected positions out of 3.

Try to remember 3 highlighted cells, then select them after they hide.

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Press start to begin.

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Score is 0-3. Higher scores suggest stronger short-term visual memory in this task.

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Can I replay immediately?

Yes, each round generates new target positions.

Is this suitable on mobile?

Yes, buttons are touch-friendly and large.