Reaction Test Game

Test your skill today, and come back another day or another time of day to see how your alertness varies. Your level of alertness or fatigue, recent use of caffeine or alcohol, and other factors may alter game results from one time to the next—just as they do your driving performance.

Remember: reaction time is only one indicator of your performance. Accuracy also is critical.

You need to act quickly to avoid rects. Play the game now.