Reflex Light - Reaction Test
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About this game
🏁 Reflex Light recreates the Formula 1 grand prix start sequence as a pure reaction-time test.
One rule: hold the screen and wait. Five red lights come on one by one — then they all go out and the green GO appears. The instant it does, release your finger. Your reaction is measured to the millisecond (ms). The average human reaction is 200–250ms — how low can you go?
▣ How to play
· Hold the screen and wait
· Five red lights switch on in sequence
· After 1–5 seconds, all lights go out — green GO!
· Release at that moment to see your reaction time in ms
· Five rounds decide your average score
▣ Features
· Authentic F1 start-light staging — five reds, then green GO
· Precise 1ms measurement — see your reflexes as a number
· Five-round average and best-score auto-save — beat your own record
· Jump-start (false start) detection — release too early and you replay; only real skill counts
· Fully offline — play anywhere, no internet needed
· One tap to start — no setup
· Free to play
Challenge the limits of your reflexes with Reflex Light. Don't miss the moment the lights go out!
One rule: hold the screen and wait. Five red lights come on one by one — then they all go out and the green GO appears. The instant it does, release your finger. Your reaction is measured to the millisecond (ms). The average human reaction is 200–250ms — how low can you go?
▣ How to play
· Hold the screen and wait
· Five red lights switch on in sequence
· After 1–5 seconds, all lights go out — green GO!
· Release at that moment to see your reaction time in ms
· Five rounds decide your average score
▣ Features
· Authentic F1 start-light staging — five reds, then green GO
· Precise 1ms measurement — see your reflexes as a number
· Five-round average and best-score auto-save — beat your own record
· Jump-start (false start) detection — release too early and you replay; only real skill counts
· Fully offline — play anywhere, no internet needed
· One tap to start — no setup
· Free to play
Challenge the limits of your reflexes with Reflex Light. Don't miss the moment the lights go out!
F1 start lights game: release the moment 5 reds go out. Reaction time in ms!
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesApp activity and Device or other IDs
- Data is encrypted in transit
- Data can’t be deleted
What’s new
First release — measure your reaction time in milliseconds with authentic F1 start lights. Chase your 5-round average and best score!
