Question 1

How does the Reaction Time Test work?

Accepted Answer

Click the screen when it turns green! Wait for the red screen to change, then click as fast as you can. Click too early and you'll need to restart the round.

Question 2

What's a good reaction time?

Accepted Answer

Under 200ms is lightning fast, 200-300ms is great, 300-400ms is average. Most people average around 250-350ms.

Question 3

Does my history save?

Accepted Answer

Yes! Your best time, number of attempts, and recent results are saved to your device.

Question 4

How do I play Reaction Time Test - How Fast Are You? online free?

Accepted Answer

Click Start and follow the on-screen steps. Use mouse, touch, or keyboard controls. No download needed.

Question 5

Can I play Reaction Time Test - How Fast Are You? without downloading?

Accepted Answer

Yes. This Reaction Time Test - How Fast Are You? runs in your browser with no install. Free on mobile and desktop.

Question 6

How do I use this Reaction Time Test - How Fast Are You? online free?

Accepted Answer

Open the game above and press Start. Free with no login, works on mobile and desktop.