About this game
Measure your reaction time in milliseconds. Wait for the panel to turn green, then tap as fast as you can — but not a moment too early.
Difficulty: ●●○○○ ~1 min
How to play
Tap the panel to start. When it turns green, tap again immediately. Tapping before green counts as a false start.
Tips
- Rest your finger close to the screen.
- Average adult reaction time is around 250 ms.
- Try a few rounds — your best counts.
