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Sharp Go / No-Go

A free brain training test.

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How to play

  • A coloured signal flashes on screen.
  • Tap quickly when you see GREEN (Go).
  • Hold back and do NOT tap on RED (No-Go).
  • Resisting the wrong taps is the real challenge.
  • Trains reaction speed and impulse control.

Features

  • Go / No-Go cognitive test built on real psychology
  • Sharp difficulty over 16 rounds
  • Shareable Brain Score, letter grade and brain-age estimate
  • Tracks your personal best, with mutable audio cues
  • Plays on touch and desktop, reduced-motion friendly
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Ready to play?

A free brain training test.

Play Sharp Go / No-Go