Lights out: reaction test

Reaction is a key skill in Formula 1, so can you improve your average reaction time? Train every day to improve your reaction! Compare your reaction with your friends and other players! How fast can you react?

The goal of the game is to react as quickly as possible to the extinguished lights.
1) Press and hold the button to start.
2) Wait until 5 lights come on.
3) After the lights go out, release the button as soon as possible.