v1
Reaction Time
Click as soon as the screen turns green. Averaged over 5 trials.
No attempts yet — play to set your first score, then challenge a friend to beat it.
↵ to start · Esc to exit
Click as soon as the screen turns green. Averaged over 5 trials.
No attempts yet — play to set your first score, then challenge a friend to beat it.
↵ to start · Esc to exit