> For the complete documentation index, see [llms.txt](https://docs.overdare.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.overdare.com/development/api-reference/classes/physicsservice.md). # PhysicsService PhysicsService : `Instance` ## Overview PhysicsService is a service that finely controls collision rules between objects in physics computation, allowing you to create collision groups and configure whether each group interacts with the others. For example, it can be used to let players pass through specific walls based on their level. ## Properties ## Methods ## Events ## See also {% content-ref url="" %} {% endcontent-ref %}