⚡ Reaction Speed Tester

How to Play ⚡ Reaction Speed Tester

How fast are your reflexes? Click when the screen turns green. Compare your reaction time to the world average. This game runs entirely in your browser — no download, no login, no Flash required. Works on desktop, tablet, and mobile.

• ✅ 100% free to play
• ✅ No download or installation
• ✅ No account or sign-up needed
• ✅ Mobile and touch friendly
• ✅ Works on all modern browsers