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.
Choose between three (4) different intensities : Easy, Medium, Hard and Extreme.
Save your score to the leader board and see how fast (or slow) you are!
How to play
● Choose a difficulty level (Easy, Medium, Hard or Extreme)
● Wait for the countdown
● Tap the colored squares as fast as you can
Square colors change depending on difficulty
Green – Easy
Medium – Yellow
Hard – Orange
Extreme – Red
Optimized for phones, tablets and touch-enabled Chromebooks
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