Reaction Time
Casual
How fast are your reflexes? This precision test measures your reaction time in milliseconds. Wait for the screen to turn green, then click as fast as you can. Complete 5 rounds and get your average reaction time. Challenge yourself to beat your personal best. A simple but addictive test of human reflexes.
How to play
Click to start. Wait for the red screen to turn green. Click as fast as you can when it turns green. Don't click too early! Complete 5 rounds to get your average.