A minimal, addictive reaction time game. Tap when the screen turns green, track your progress, and discover how fast you really are.
Accurate reaction time measurement down to the millisecond. See exactly how fast your reflexes really are.
View your session history, best times, and averages. Watch yourself improve over time.
No distractions. Just you, the screen, and the challenge. Designed for pure reaction testing.
Challenge friends by sharing your session summaries. See who has the fastest reflexes.