Reaction & Reflex · Free browser test

Go / No-Go Reflex Challenge

Practice attention and impulse control by tapping only green GO signals and ignoring red STOP signals.

Play Go / No-Go Reflex Challenge

Tap for GO; do not tap for STOP. Ten signals are shown at unpredictable intervals.

How to play Go / No-Go Reflex Challenge

Tap for GO; do not tap for STOP. Ten signals are shown at unpredictable intervals.

How results are calculated

Correct decisions and reaction times on GO trials.

Accuracy, limitations and fair comparisons

This recreational game is not a clinical attention assessment. 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 Go / No-Go Reflex 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?

Correct decisions and reaction times on GO trials.

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

No. This recreational game is not a clinical attention assessment.

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