Reaction time test

Most reaction tests are solitary: click when the colour changes, get a number, close the tab. The blocks.pw version runs the same measurement — milliseconds from stimulus to tap — inside a 30-second duel against a real person, because a number means more when someone's trying to beat it.

How the test works

  1. Open blocks.pw and start a quick match (or send a challenge link to a friend).
  2. In each Reflex round, a block appears red. Wait.
  3. The instant it turns green, tap. Tap early and you forfeit the round — anticipation is cheating, and the game knows.
  4. Your time in milliseconds shows after every round. Best of 5 decides the duel.

Reading your result

Single rounds are noisy — nerves, blinks and touch latency all add jitter. Judge yourself on the average of at least ten rounds. Once you have it, look it up: the average adult sits near 273 ms, trained gamers near 230 ms, and pros between 160 and 200 ms.

WhoTypical reaction time
Pro esports player170 ms
F1 driver (start lights)200 ms
Average gamer230 ms
Solid amateur — 250 ms250 ms
Average adult273 ms
Average at age 60+330 ms

Then get your verdict on the dedicated pages — for example is 250 ms good?, is 200 ms good?, or find the top 10% threshold.

Why duels beat solo tests

Two reasons. First, pressure: your reaction time under mild stress is your real reaction time — the one you'll have in a game, a car, a sport. Solo tests flatter you. Second, honesty: it's easy to retry a solo test until a lucky 160 ms appears. A best-of-5 against another human averages the luck out.

Make the number move

Reaction time trains well: most people cut 10–15% in a month of short daily sessions. The method — warm-ups, session length, what to measure — is in how to improve your reaction time. Your expected baseline by age is on the age curve.

Start the test

One duel = 5 measured rounds. Your average is your score.

Play now — free

Frequently asked questions

Is the test really free?

Yes — every mode on blocks.pw is free, with no download and no signup. An optional PRO upgrade exists for cosmetics, but the tests and duels cost nothing.

Phone or desktop — which is more accurate?

Both work; they just aren't comparable to each other. Touchscreens and mice have different input latency, so track your progress within one device.

What's a good score on my first try?

Anything under 273 ms beats the adult average. Under 230 ms on your first session is genuinely quick — check your exact percentile on the verdict pages.

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