Wait for green, then tap. Free, no download.
Reaction Test is a simple, addictive reflex game that measures how fast you can react. Wait for the red screen to flash green, then tap or click as quickly as you can. Your reaction time is measured in milliseconds across several attempts, and your average is your score. Play Reaction Test online free right in your browser, with no download and no sign up.
Think you have the fastest reflexes? Create a room, share the 6 letter code, and everyone takes the exact same set of attempts. The player with the lowest average reaction time wins. It is a free reaction time game multiplayer, playable instantly from any phone, tablet, or computer.
100% free to play, works on mobile and desktop, no downloads or installs, and no account needed. Practice solo to sharpen your reflexes and lower your reaction time, or challenge friends to a real time speed battle that is ready the moment the page loads. A great quick brain and reflex trainer for all ages.
Pick how many attempts to average.
Share this code, everyone takes the same attempts!
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