Reaction Time Challenge

Here are various reaction test challenges that will test your reaction speed, reaction accuracy, and sense of rhythm. Choose your favorite to challenge!

Single Precision Challenge

How to play: tap Start Challenge and try to tap Stop when the countdown reaches 2.2222 s. After you stop, your score is recorded—the closer you are to the target time, the higher your reaction test score.

Game Result

Stop Time

Target Time

2.2222s

Error Time

10.0000

Target Time: 2.2222s

Press Space or click the button to stop

Game Statistics

Games Played

Best Score

Average Score

0.0000s

Average Error

Scoring Rules

•Perfect timing (0ms error) scores 100 points.
•For every 10ms error, 1 point is deducted. Errors ≥1000ms result in 0 points.
•Each countdown is scored individually.
•In multi-target modes, the average score of all countdowns is taken.

Core Features

Single Precision Challenge

Single Fade Challenge

How to play: tap Start Challenge and try to tap Stop when the countdown reaches 2.2222 s. During the run the digits blur in stages, so judge when to stop using rhythm. After you stop, your score is recorded—the closer you are to the target time, the higher your reaction test score.

Single Blind Challenge

How to play: tap Start Challenge and try to tap Stop when the countdown reaches 2.2222 s. At a set moment the countdown hides completely—finish this reaction test using your sense of time alone. After you stop, your score is recorded—the closer you are to the target time, the higher your reaction test score.

Multi Precision Challenge

How to play: tap Start Challenge and tap Stop when each countdown reaches 7.2222 s, 4.2222 s, and 2.2222 s respectively. Each stop records one score—the closer each stop is to its target time, the higher your reaction test score.

Multi Random Challenge

How to play: tap Start Challenge. Three target times are generated at random—figure them out quickly and tap Stop when each matching countdown reaches its target time. Each stop records one score—the closer you are to each target time, the higher your reaction test score.

Multi Memory Challenge

How to play: tap Start Challenge and tap Stop when each countdown reaches 7.2222 s, 7.2222 s, and 7.2222 s respectively. During the run, the second countdown blurs and the third hides completely—finish those parts of this reaction test using your sense of timing. Each stop records one score—the closer you are to each target time, the higher your reaction test score.

Party Challenge Mode: Reaction Test with Friends

A multiplayer reaction test—no more playing alone.
It includes every countdown challenge mode on the site, so the fun feels twice as good with friends.
Go for an extreme reaction test or a more casual, entertainment-style reaction test—your call.

About Reaxon

Reaxon is a reaction test platform focused on reaction time challenges, fun and enjoyable while testing your reaction speed through engaging reaction test.

There are multiple game modes here, each with its own playstyle and difficulty level. You can test your focus and reflexes through simple, direct reaction test challenges, pick the mode you enjoy most, and keep pushing to beat your personal best. Or just enjoy the game for what it is. Every click in a reaction test is a race against time.

Key Features

Minimalist Experience

Simple UI design with no complex rules or redundant elements, focusing only on the core reaction test challenges to help you concentrate on reaction time testing itself.

Scientific Scoring

Scientific scoring system based on individual timer error time in reaction tests, with multiple timers averaged for objective performance evaluation.

Performance Statistics

The system records your best reaction test scores, average performance, challenge attempts, and more, giving you clear insights into your progress and status changes.

Diverse Gameplay

From fixed to random, single timer to multiple timers, catering to different players' challenge preferences and helping you develop various abilities through different reaction time test modes.

History Records

Every reaction test challenge is recorded and saved for easy review and comparison anytime.

Ranking System

The system ranks your reaction test scores to help you understand your position among other players.