Reaction Time

Tap as soon as the signal turns to GO.

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How to play
  1. Wait for GO, then tap the panel.
  2. You can also use Space or Enter while the panel is focused.
  3. Complete five rounds. Early taps do not count.
How scoring works

The result is the median of five reaction times in milliseconds, with each round shown separately. A lower number means a faster response in this game.

Screen and input delays affect the result. Compare attempts on the same device.

Game scores are separate from IQ scores.

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