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Reaction Speed Builder play online

Play Reaction Speed Builder APK

Reaction Speed Builder

The official app & game

Distributed by UptoPlay


Play Online



Use UptoPlay to play online the game Reaction Speed Builder.

This application can be an excellent exercise and training for the brain, memory, logic, and sensation, as well as develop psychological stability.

Simple and easy navigation and just the right information! Try this game, you will not regret it!

Test how fast your brain reacts to a change. Click your screen as soon as the screen turns green!

Are you fast enough to beat the reaction test? Most people have a reaction time of around 330 milliseconds when playing this test. Will you be able to beat this time?

Test your reaction time today with this reaction time test!! Take 5 reaction tests, and the app will average your scores. Most accurate reaction time test on the market!

Improve your reaction time to help you in Video Games, IQ tests, and other skills in life!

Enjoy with UptoPlay the online game Reaction Speed Builder.



Recent changes: Official Reaction Time Tester Released Version 1.1
- You can no longer spam the screen; it is a fully functional reaction test!

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