Stop Chrono
Stop Chrono is a free, sign-up-free precision game: start a stopwatch and stop it on instinct, as close as you can to a target shown up front, without ever seeing the time tick by.
How to play Stop Chrono
- 1.Note the target shown (for example 8.24 s).
- 2.Click START or press Space/Enter to start the timer, hidden for the whole run.
- 3.Click STOP the moment you think you've reached the target.
- 4.See your time and your gap, then replay the same target or draw a new one.
Is Stop Chrono free?
Yes. Stop Chrono is free and playable with no account and nothing to download, straight in your browser.
How long does a round take?
Under 10 seconds: one target, one stopwatch, that's it!
How does the Impossible Challenge mode work?
You need to clear 5 rounds in a row on fixed targets of 1, 2, 3, 4 and 5 seconds, keeping the sum of all your gaps under 0.29 second total.
Do I need an account to play?
No. No account, no sign-up: you land on the page and you play.