tap - click - or press any key

F1-style reaction trainer

Watch the lights illuminate, then react when they all go out - exactly like the start of a Formula 1 race.

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How to play. Click Start (or press any key), then wait while the five red lights come on one at a time. After a random hold, all five turn off - react as fast as you can. React before lights-out and it's a jump-start. Times under 200 ms are professional-driver fast.