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ATTENTION · FREE TO PLAY

Go / No-Go

Respond to GO and leave WAIT alone until the next signal.

Enable JavaScript to play. Instructions remain available below.

How to play Go / No-Go

  1. Each cue remains visible for 1.5 seconds.
  2. Tap GO once when it appears.
  3. Do not tap a WAIT cue. Leaving it alone earns a correct response.
  4. Complete twenty cues; each correct response or correct restraint earns five points.

A useful way to practice

Read the current rule before reacting. Device latency, input method, distractions and familiarity can all change a result. For fairer comparisons, use the same device and avoid treating a score as a diagnosis.

What your result means

This is a recreational attention activity. Results describe performance on this particular task, with this device and these rules. They are not a clinical assessment, IQ score or promise of improvements in daily life. Your best result and recent sessions stay in this browser; no account is required.

Is Go / No-Go free?

Yes. You can play the full activity without a payment, download or account.

Can I use a keyboard?

Use Tab to focus buttons and Enter or Space to activate them. Answer fields accept normal typing. The maze also supports arrow keys. Timed tests will differ between touch, mouse and keyboard input.

Why did my result change?

Practice, a different generated puzzle, distractions and input timing all affect results. Compare several sessions rather than drawing a conclusion from one attempt.

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