> For the complete documentation index, see [llms.txt](https://dotsnet.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dotsnet.gitbook.io/docs/examples/pong.md).

# Pong

The Pong example shows how to do a two-player pong game with **DOTSNET**.

![](https://lh6.googleusercontent.com/u8JzMBZiFwk0kleh_2ml03wT8eAI8hjXcrA62cmXWaTlDXUAa9LOe1Kgv73t3uliAqyQBKNgfYu8blRS2e84wGJXGuYnId4ZYE15J9Itbo7e_gU5t2Tzo_gHYBzvZ96iKLCoZi4j)

Notice how **PongServerSystem** inherits from **NetworkServerSystem** to store some state.Inheriting from **NetworkClientSystem** is not needed, we use the default one.