Go / No-Go

Tap for green, hold back on red. Most shapes are green, so stopping yourself is the real challenge — a simple way to practise impulse control.

Tap!

Don't tap

Tap for green, wait on red

Tap anywhere as soon as the green circle appears. When you see the red stop sign, hold back. On a computer, you can press Space.

Tip: tapping red is the mistake that matters most — it shows how well the player can stop an automatic response. Each round has 30 shapes and takes about a minute.

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