Free
With Ads
Rating summary
About
Think you have a fast reaction time? Prove it!
GridLaunch is a reaction game that puts you on the racing start grid. Watch the lights, wait for them to go out, and react as fast as you can.
But reaction time is only part of the challenge. Release the brake, control your throttle, and find the perfect launch. Every decision in GridLaunch can make the difference between a good start and a great one.
MASTER THE START
Watch the starting lights and react instantly when they go out. Every millisecond counts.
TEST YOUR REFLEXES
Measure your reaction time and push yourself to react faster.
PERFECT YOUR LAUNCH
Your reaction is only half the battle. Manage your throttle and chase the perfect racing start.
BEAT YOUR BEST
Set personal records and keep coming back to improve your time.
COMPETE ON THE LEADERBOARD
See how your reaction time compare with other GridLaunch players.
Simple to learn. Difficult to master.
Watch. Wait. React. Launch.
How fast can you start?
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What's New in GridLaunch
1.1.0
October 12, 2026
Updated race launch reaction mechanics to allow race start with gas pedal only Show tutorial screen for new users Added mutable lights sound and engine sound
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