3sec.site

What it does

A brutally simple timing game. Hold a button for exactly 3 seconds — no timer, no hints. Challenge your friends and see who has the best internal clock.

Hold a button for exactly 3 seconds — no timer, no hints. Can you feel time passing? Free game, works on iPhone & Android. No download, no signup. Play now →

3sec is a free browser game where you hold a button and release it when you think exactly 3 seconds have passed. No timer is shown. No countdown. No hints. Just your internal clock against real time. Your score is the number of milliseconds between your release and the 3-second mark — lower is better. Press and hold the circular button on your screen. Count silently in your head. Release when 3 seconds feel like they have passed. The game then shows how many milliseconds off you were. Under 30ms is a perfect score. Under 100ms is great. Over 300ms is a miss. The 3 sec challenge sounds easy — it is not. Most people are surprised how far off their internal clock really is. The hold for 3…from 3sec.site

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