Rhythm Category

Rhythm Sync

Beat matching and internal timer calibration with two replayable modes.

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Sync TestStop the Timer

Rhythm Category

Stop the Timer

Blind Time Control

Guest mode

Memorize the early timer movement, then stop exactly at the target second while the display fades away.

Press start

Stop the Timer

Watch the timer for 1.5s, then stop it exactly on the target. Four rounds.

Round

1 / 4

Four rounds per run, each with a new random target.

Target

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Random target between 3.0s and 20.0s.

Avg error

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Average absolute error across all completed rounds.

Lab score

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Scaled from timing precision on a 1000-point range.