What is a normal reaction time?

Average visual reaction time for adults is 200–250 milliseconds. Elite athletes and esports players often achieve 150–180ms. Reaction time naturally slows with age.

What does Reaction Grid measure?

Reaction Grid measures visual reaction time — the time between a visual stimulus appearing and your motor response. It tests processing speed and hand-eye coordination.

Can you improve your reaction time?

Yes. Regular practice, adequate sleep, and reducing distractions all improve reaction time. Reaction time gains plateau fairly quickly, but consistency prevents decline.

Is Reaction Grid free?

Yes, completely free with no account required.

Reaction Grid · MindPlay

Round 0/20Hits 0Misses 0Best —

How to play

1. A cell lights up — tap it before it vanishes.

2. Miss it and it counts as a miss.

3. 20 rounds per game — go for 20/20!

easy

1.8 s window

medium

1.0 s window

hard

0.55 s window

All-time stats

easy

best 0/20—

medium

best 0/20—

hard

best 0/20—