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Reaction

Wait for the screen to turn green, then react as fast as you can. Click, tap, or press space to play.

Scoreboard

Best Time

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Last Time

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Average

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Streak

Press Start to begin.

Recent Valid Attempts

No attempts yet —

How to play
Start a round and wait. When the screen turns green, react immediately. Clicking too early counts as a false start and resets your streak.

Game

Ready

Reaction Test

Click, tap, or press space to start. Then wait for green.

Fast reactions usually land well under 250 ms.

Controls: click, tap, or press space