LIGHTS OUT

Test your reaction time with this Formula 1 inspired start sequence. Wait for the lights to go out, then react as fast as you can!

REACTION TIMER
PRESS SPACE OR CLICK

HOW TO PLAY

  1. Click "START LIGHTS SEQUENCE" or press SPACE to begin
  2. Five red lights will illuminate one by one
  3. After all lights are on, they'll hold for a random delay
  4. When all lights go out at once, click or press SPACE as fast as you can!
  5. Your reaction time will be displayed in milliseconds
  6. Clicking too early results in a false start penalty!
Average F1 driver reaction time: 200-300ms