Vision & Attention · Free browser test

Visual Attention Challenge

Track how many target symbols flash among distractors in a rapid stream.

Play Visual Attention Challenge

Watch ten symbols one by one, then enter how many were circles.

How to play Visual Attention Challenge

Watch ten symbols one by one, then enter how many were circles.

How results are calculated

Exact stream-count accuracy across five rounds.

Accuracy, limitations and fair comparisons

Browser scheduling, device and input differences influence results; recreational only. The challenge runs in your current browser session; compare repeated attempts on the same device for a more useful personal reference.

Questions and answers

Is Visual Attention Challenge free?

Yes. This activity is free and does not require registration.

Does this test upload my input or score?

No. Gameplay and optional history storage run in your browser on this device; exporting a result requires your own action.

What is the measured result?

Exact stream-count accuracy across five rounds.

Can the result be treated as a medical or hardware diagnosis?

No. Browser scheduling, device and input differences influence results; recreational only.

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