⚡ Reaction
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Round
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Tap to start
How to play
- Start a round by tapping the field.
- Wait until the color switches from red to green.
- Tap immediately — your time in milliseconds is logged.
- Tapped too early? Miss — try again.
Reaction is a reflex-test browser game on DropPlay that measures your reaction time in milliseconds. The moment the screen turns green, tap as fast as you can. Great for comparing records with friends — viral and shareable.
FAQ
What's a good reaction time?
Average is 250 ms. Under 200 ms is fast, under 150 ms is pro-level.
Is my record saved?
Yes, your best time is stored locally in your browser.
Why does 'Too early!' show up?
You tapped before the screen turned green — that attempt doesn't count.
Is it just as precise on mobile?
Touch latency is minimal — typically 5–15 ms difference.
Score · Best ·