You start with a green screen. Within a randomized time, between 1 second and 20 seconds, the screen would turn red. Once the screen turns red, you tap the screen to set a reaction time. Try to get as close to 0 seconds as possible!
Updated on
Aug 19, 2023
Casual
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.