How It Works
Rules
1
Click once to enter the waiting state.
2
Click immediately when the board turns bright.
3
An early click counts as a foul and restarts the round.
Reaction
Reaction Time Test
Track your click latency with high precision, complete 5 rounds, and see your average reaction time.
Score Design
Metrics
Average reaction time
Best reaction
False starts
Benchmark
239ms
Scores can vary by device refresh rate, browser, and input hardware. Treat results as training and entertainment signals.