Better your reaction time for your favorite games! We're gamers and made this to practice our reflex times and beat the crap out of the competition. Get an edge on your gaming and use this to practice before you play your favorite games! HOW TO PLAY: Wait for the green circle and tap as fast as you can. TRAINING MODE: 10 chances to tap the green circle. Time is adjustable. REFLEX MODE: 5 chances to tap the moving green circle.