Color SpotterSpot the differenceReaction Games
Lightning Reaction
Time/ms0Fastest/msNone
Mobile: Wait for the light to turn green, then tap the play area.
Lightning ReactionReady? Press Start to play.
How to play
- Wait for the light to turn green, then tap the play area.
- Tapping early is a false start and does not count.
- Tap again to retry. Your best time is saved in this browser.
About the game
Wait for the signal to turn green, then tap. Measure your reaction time in milliseconds.
The leaderboard keeps your best valid result for this game. Your best score is also saved on this device.
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