Practice as a guest
Run starts without an account. Your guest personal best stays on the device. Excellent, Good, Average and Slow ranges tell you where the last valid tap landed.
LIGHTS OUT.
REACT.
Five reds, a random delay, then darkness. Tap the moment they go out. Jump starts count. Time is measured in milliseconds.
0.000 s
Watch the gantry — this page only previews the sequence.
Publish when it counts
Sign in with Google to post an eligible personal best on the current race weekend and the season board. Browse past race leaderboards that already have published entries.
