Direction Reaction Challenge
Respond to randomly displayed arrows using the four arrow keys, measuring decision speed as well as accuracy.
Play Direction Reaction Challenge
Start and match each arrow with the corresponding arrow key, on ten shuffled trials.
How to play Direction Reaction Challenge
Start and match each arrow with the corresponding arrow key, on ten shuffled trials.
How results are calculated
Correct directions and median response time.
Accuracy, limitations and fair comparisons
Browser scheduling, device and input differences influence results; recreational only. The challenge runs in your current browser session; compare repeated attempts on the same device for a more useful personal reference.
Questions and answers
Is Direction Reaction Challenge free?
Yes. This activity is free and does not require registration.
Does this test upload my input or score?
No. Gameplay and optional history storage run in your browser on this device; exporting a result requires your own action.
What is the measured result?
Correct directions and median response time.
Can the result be treated as a medical or hardware diagnosis?
No. Browser scheduling, device and input differences influence results; recreational only.
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