Reaction! -Test and Improve Your Reaction Time

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 four (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