pxt-calliope/docs/reference/game/start-countdown.md
2016-07-18 14:23:05 -07:00

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# Start Countdown
Start counting down time from the number of milliseconds you say.
```sig
game.startCountdown(1000)
```
### Parameters
* ``ms`` is a [number](/reference/types/number) that says how many milliseconds to count down (one second is 1000 milliseconds)
### Examples
This program is a simple game.
Press button ``A`` as much as possible.
At the end of 10 seconds, the program will show your score.
```blocks
input.onButtonPressed(Button.A, () => {
game.addScore(1)
})
game.startCountdown(10000)
```
### See Also
[score](/reference/game/score), [change score by](/reference/game/change-score-by)