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# game counter lesson
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Learn how to create a counter with with on button pressed.
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### @video td/videos/counter-0
## Topic
Game Library
## Quick Links
* [activity ](/microbit/lessons/game-counter/activity )
* [challenges ](/microbit/lessons/game-counter/challenges )
## Prior learning/place of lesson in scheme of work
Learn how to create game blocks to keep track of the current score. We will be learning how to create a game using the blocks called `add points to score` , `score` as well as simple commands such as on button pressed and show number.
## Documentation
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```docs
game.addScore(1)
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input.onButtonPressed(Button.A, () => {
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})
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basic.showNumber(0)
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```
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## Objectives
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* learn how arithmetic operators operate on numbers and return a number
* learn how to run code when an input button is pressed
* learn how to show a score on the LED screen
