Reaction Game Online
Play our reaction game online right now. Open the page, allow your camera, and you are playing in under 30 seconds. No download, no account, no cost.
Instant Play
Our game requires no installation, no account, and no loading screen. The entire experience lives in your browser. Allow camera access, and the game interface appears immediately. You can be playing your first round within 30 seconds of arriving on the page.
Free to Play, Forever
We have never charged for the game and have no plans to. Our infrastructure costs are low because all AI processing happens on your device — we do not need expensive server-side computation for each user session.
Works on Any Modern Browser
Chrome, Firefox, Safari, and Edge are all fully supported. Any device manufactured after 2018 with a camera should work correctly. No extensions or plugins are required.
Frequently Asked Questions
Can I play the reaction game on a phone?
Yes. Use the front-facing camera in landscape orientation. Prop your phone up so both hands are visible in the frame, and you are ready to play.
Play the reaction game online now — free, instant, no download.
Try the 67 Speed Challenge