Lights Out – Simulate and measure your F1 race start reaction

Summary: Lights Out replicates the F1 starting light sequence and measures your reaction time, rating it from elite (under 130ms) to slow (380ms+). It features 180 unique F1-themed roasts in English and Chinese, a daily global leaderboard, and requires no login.

What it does

Lights Out presents five red lights that go out in sequence, prompting users to tap as quickly as possible. It records reaction times, assigns ratings across six tiers, and displays results with F1-related commentary.

Who it's for

It targets F1 fans and reaction time enthusiasts seeking to compare their start reflexes with professional drivers and others worldwide.

Why it matters

It provides a precise, accessible way to test and track reaction speed during the critical F1 race start moment without requiring installation or login.