10 Second Challenge
Test your reflexes and timing! Start the clock and try to stop it as close to exactly 10 seconds as possible. Every millisecond counts!
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How to Play
How to Play
1. Press GO to start the timer.
2. Watch the red digital clock count upwards.
3. Press STOP when you think exactly 10 seconds have passed.
4. See how many milliseconds you were early or late.
5. Try again to beat your personal best!