How to use reaction-time game
Measure the delay between a visual cue and your click or tap. This browser tool shows the inputs, assumptions and resulting output so you can use it for a specific everyday task.
- Enter your own values or choose a supported file.
- Adjust the options and run the tool.
- Review the result, then copy, export or save it when available.
Try this next
Wait until the panel changes color, then tap it and compare several attempts.
Display refresh rate, device latency and input hardware affect the measurement. It is a casual game, not a neurological or medical test.
Questions, answered.
Is reaction-time game free to use?
Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.
What should I check before using the result?
Display refresh rate, device latency and input hardware affect the measurement. It is a casual game, not a neurological or medical test.
Does this tool upload my files or text?
The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.