This is a game timer, which has several options:

Instructions to install:

Put the component in the component folder. Then click on it and follow the instructions of the extension manager.

PARAMETERS

Enter this line into the frame where the start should occur:

componentName.timer.startGame(1,false,0);

componentName.timer.resetTimer();

KEEPING TRACK OF THE SCORE
to use the score name the component on the stage and enter these lines into your script to count the score.
for one player:

_global.scoreCountOne++;
componentName.timer.oneScore.oneScoreField.text=_global.scoreCountOne;//or for decreasing the score:
_global.scoreCountOne--;
componentName.timer.oneScore.oneScoreField.text=_global.scoreCountOne;

for two players:

_global.scoreCountA++;
componentName.timer.twoScore.aScoreField.text=_global.scoreCountA;
_global.scoreCountB++;
componentName.timer.twoScore.bScoreField.text=_global.scoreCountB;