> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ghg.gg/llms.txt
> Use this file to discover all available pages before exploring further.
# Local Testing
> Test your game against the platform CSP before submitting
# Local CSP Testing
Before submitting your game, you should verify it works correctly under the Content Security Policy enforced by Greenhouse Games. Testing locally catches issues early and avoids rejected submissions.
## Add the CSP Meta Tag
Copy and paste the following `` tag as the **first element** inside your `` tag in every HTML file:
```html theme={null}
```
Your HTML should look something like this:
```html theme={null}
My Game
```
The CSP meta tag must come **before** any other ``, ``, or `