Improve your reaction time by playing this game a few minutes every day.
The average reaction time for an adult is around 0.2s and 0.3s, see how you compare with our leader board.
How to play
The background changes depending on difficulty
Green - Easy
Medium - Yellow
Hard - Orange
Optimized for phones, tablets and touch-enabled Chromebooks
Below are the patch notes from the past updates to this game.
- New loading messages and icon
- Improved leaderboard performance
Fixed issue with wrong score being submitted, causing cheat detection to dismiss the submission.
The share image is now only generated when you click the share button
- Huge UI update
- New "Extreme" mode
- Added new leader boards
- High score is now stored in local storage instead of session storage
- Added stats page
- Improved score submit form
New design featuring a dark theme
Each difficulty now changes the color of the squares
Added a way to submit your score, leader board to be released soon.
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